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Delta-Cadinol

δ-Cadinol is an organic compound, a sesquiterpenoid alcohol produced by many plants as well as some animals and microorganisms. It is a white crystalline solid, soluble in isopropyl ether and ethanol. It is also called torreyol, sesquigoyol, pilg ...

                                               

Cedrol

Cedrol is a sesquiterpene alcohol found in the essential oil of conifers, especially in the genera Cupressus and Juniperus. It has also been identified in Origanum onites, a plant related to oregano. Its main uses are in the chemistry of aroma co ...

                                               

Cubebene

Cubebenes are a pair of chemical compounds, classified as sesquiterpenes, first isolated from Piper cubeba berries, known as cubebs. The volatile oil from the distillation of cubebs is a pale green or blue-yellow viscous liquid with a warm woody, ...

                                               

Guaiene

Guaienes are a series of closely related natural chemical compounds that have been isolated from a variety of plant sources. The guaienes are sesquiterpenes with the molecular formula C 15 H 24. α-Guaiene is the most common and was first isolated ...

                                               

Khusimol

Khusimol is a sesquiterpene found in oil of vetiver. It contains a tricyclic hydrocarbon core, with a hydroxy methyl group, two methyl groups and a methylene group. It constitutes the biggest part of oil of vertiver, around 15%. The substance was ...

                                               

Mutisianthol

                                               

Velleral

Velleral is a sesquiterpene dialdehyde found in certain mushrooms, like Lactarius torminosus and Lactarius vellereus, after which it was named. The compound is thought to be part of a chemical defense system that protects the mushrooms against pr ...

                                               

Verrucarin A

Verrucarin A belongs in the class of trichothecenes, a group of sesquiterpene toxins produced by several fungi, namely from the Fusarium species, that are responsible for infecting food grains. Within the skeleton of the basic trichothecane struc ...

                                               

Sesquiterpene lactones

                                               

Triterpene glycosides

                                               

Balsaminol A

Balsaminol A or cucurbita-5.24-diene-3β,7β,23.29-tetraol, is a chemical compound with formula C 30 H 50 O 4, found in the Balsam apple vine. It is a cucurbitane-type triterpenoid, related to cucurbitacin, isolated by C. Ramalhete and others in 20 ...

                                               

Balsaminol B

Balsaminol B or 7β-methoxycucurbita-5.24-diene-3β,23.29-triol, is a chemical compound with formula C 31 H 52 O 4, found in the balsam apple vine. It is a cucurbitane-type triterpenoid, related to cucurbitacin, isolated by C. Ramalhete and others ...

                                               

Betulin

Betulin is an abundant, naturally occurring triterpene. It is commonly isolated from the bark of birch trees. It forms up to 30% of the dry weight of silver birch bark. It is also found in birch sap. Inonotus obliquus and red alder also contain b ...

                                               

Boswellic acid

Boswellic acids are a series of pentacyclic triterpene molecules that are produced by plants in the genus Boswellia. Like many other terpenes, boswellic acids appear in the resin of the plant that exudes them; it is estimated that they make up 30 ...

                                               

Campestane

Campestane or 24 R -methylcholestane is a tetracyclic triterpene. Its derivative Campesterol was first isolated from the rapeseed, hence the name.

                                               

Ergostane

Ergostane is a tetracyclic triterpene, also known as 24 S -methylcholestane. The compound itself has no known uses; however various functionalized analogues are produced by plants and animals. The most important of these are the heavily derivatis ...

                                               

Euphane

                                               

Fusidane

                                               

Gorgostane

Gorgostane is a triterpene, its derivative distributed in corals, hence the name. Compared with other steroids, there is a cyclopropane ring in the 17C side-chain.

                                               

Momordicin I

Momordicin I, or 3.7.23-trihydroxycucurbitan-5.24-dien-19-al, is a chemical compound found in the leaves of the bitter melon vine, possibly responsible for its reputed medicinal properties. The compound was isolated and characterized in 1984 by M ...

                                               

Poriferastane

                                               

Protostane

Protostane is a tetracyclic triterpene, its natural distribution is primarily limited to the genus Alisma. It is named of considered to be the "prototype" of steroids.

                                               

Stigmastane

Stigmastane or 24 R -ethylcholestane is a tetracyclic triterpene, along with cholestane and ergostane, this sterane is used as a biomarker for early eukaryotes.

                                               

Tirucallane

Tirucallane is a tetracyclic triterpene with the chemical formula C 30 H 54. It is the 21 S -stereoisomer of euphane and its derivatives, such as Tirucalladienol, are found in Euphorbia and other plants.

                                               

Triterpenoid

                                               

Quassinoids

                                               

Imidazolidinone

Imidazolidinones are a class of 5-membered ring heterocycles structurally related to imidazole. Imidazolidinones feature a saturated C 3 N 2 backbones, except for the presence of a urea or amide functional group in the 2 or 4 positions.

                                               

Deoxyuridine

Deoxyuridine is a compound and a nucleoside. It belongs to a class of compounds known as Pyrimidine 2-deoxyribonucleosides and closely resembles the chemical composition of uridine but without the presence of the 2 hydroxyl group. Idoxuridine and ...

                                               

5-Methyluridine

The chemical compound 5-methyluridine, also called ribothymidine, is a pyrimidine nucleoside. Abbreviated m5U, it is the ribonucleoside counterpart to the deoxyribonucleoside thymidine, which lacks a hydroxyl group at the 2 position. 5-Methylurid ...

                                               

Orotidine

Orotidine is a nucleoside formed by attaching orotic acid to a ribose ring via a β-N 1 -glycosidic bond. It is found in bacteria, fungi and plants. It was first isolated in 1951 from the fungus Neurospora by A. Michael Michelson, William Drell, a ...

                                               

Pseudouridine

Pseudouridine is an isomer of the nucleoside uridine in which the uracil is attached via a carbon-carbon instead of a nitrogen-carbon glycosidic bond. Pseudouridine is the most abundant RNA modification in cellular RNA. After transcription and fo ...

                                               

Thymidine

Thymidine is a pyrimidine deoxynucleoside. Deoxythymidine is the DNA nucleoside T, which pairs with deoxyadenosine in double-stranded DNA. In cell biology it is used to synchronize the cells in G1/early S phase. Before the boom in thymidine use c ...

                                               

Thymine glycol

The rate at which oxidative reactions generate thymine glycol and thymidine glycol in the DNA of humans is estimated to be about 300 per cell per day. Oxidized DNA bases that are excised by DNA repair processes are excreted in urine. On a body we ...

                                               

Uracil derivatives

                                               

Benzenesulfonylureas

                                               

Ethylene thiourea

Ethylene thiourea is an organosulfur compound with the formula C 3 H 6 N 2 S. It is an example of an N, N -disubstituted thiourea. It is a white solid. It is synthesized by treating ethylenediamine with carbon disulfide. Ethylene thioureas are an ...

                                               

Dichromate

                                               

Keyhaven, Pennington, Oxey and Normandy Marshes

Keyhaven, Pennington, Oxey and Normandy Marshes, also known as the North Solent Marshes, are three areas of saltmarsh in Hampshire, England. The village of Keyhaven lies to the west, the village of Pennington to the north, and the town of Lymingt ...

                                               

Salt marshes of Wales

                                               

Picrate

A picrate is a salt containing the anion 3 C 6 H 2 O − or an ester derivative of the picrate anion. These salts are often produced by reactions of picric acid. The picrate ion is intensely yellow.

                                               

Piney Creek Site

The Piney Creek Site is a prehistoric rock art site located on the north side of Piney Creek in Piney Creek Ravine State Natural Area in Randolph County, Illinois. The site consists of a sandstone outcropping with over 150 petroglyph and pictogra ...

                                               

Piney Creek South Site

The Piney Creek South Site is a prehistoric rock art site located on the south side of Piney Creek in Piney Creek Ravine State Natural Area in Randolph County, Illinois. The site consists of two groups of petroglyphs drawn on a sandstone rockshel ...

                                               

Piney Creek West Site

The Piney Creek West Site is a prehistoric rock art site located north of Piney Creek in Piney Creek Ravine State Natural Area in Randolph County, Illinois. The site consists of four petroglyphs painted on the inside of a rock shelter and a picto ...

                                               

Jeffry Cliff Petroglyphs (15HA114)

Jeffry Cliff Petroglyphs are prehistoric petroglyphs created by Native Americans, that lived in the western region of what is now the U.S. state of Kentucky. They are located on and around Jeffry Cliff in Hancock County, although the address is r ...

                                               

Holliday Petroglyphs

Holliday Petroglyphs is a historic archeological site located near Holliday, Monroe County, Missouri. This site consists of a group of petroglyph panels identified in 1944. Stone tools and pottery sherds were found near the rock art. It was added ...

                                               

Writing Rock State Historical Site

Writing Rock State Historical Site, located twelve miles northeast of Grenora, North Dakota in Divide County near the Montana border, is the site of two large granite boulders, carved with petroglyphs featuring thunderbirds, mythological creature ...

                                               

Independence Slab

The Independence Slab originally was a series of petroglyphs carved in an outcropping of native silicious Berea sandstone located in the city of Independence, Cuyahoga County, Ohio. It was discovered by area quarry workers in the mid-1800s who we ...

                                               

Inscription Rock (Kelleys Island, Ohio)

Inscription Rock is a large slab of limestone measuring approximately 32 by 21 feet located on the south shore of Kelleys Island in Lake Erie in Erie County, Ohio. It is situated near the intersections of E Lakeshore Drive and Addison Rd under a ...

                                               

Big and Little Indian Rock Petroglyphs

Big and Little Indian Rock Petroglyphs is a prehistoric archaeological site located at Conestoga Township in Lancaster County, Pennsylvania. It consists of two large rocks located in the Susquehanna River. Big Indian Rock is 60 feet by 40 feet, a ...

                                               

Bellows Falls Petroglyph Site

The Bellows Falls Petroglyph Site is an archaeological site containing panels of precontact Native American petroglyphs in Bellows Falls, Vermont. Located near the Vilas Bridge on bedrock west of and above the Connecticut River, they depict a rar ...

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