nitrogen heterocyclic ring
71Biochemistry — For the journal, see Biochemistry (journal). Biological Chemistry redirects here. For the journal formerly named Biological Chemistry Hoppe Seyler, see Biological Chemistry (journal). Biochemistry, sometimes called biological chemistry, is the… …
72Benzoxazole — Chembox new Name = Benzoxazole ImageFile = 1,3 benzoxazole numbering.svg ImageName = Benzoxazole ImageFile1 = Benzoxazole3d.png ImageName1 = Benzoxazole IUPACName = benzoxazole OtherNames = 1 Oxa 3 aza 1H indene Section1 = Chembox Identifiers… …
731,2,3-Triazole — Chembox new ImageFileL1 = 1%2C2%2C3 triazole numbering.png ImageSizeL1 = 100px ImageFileR1 = 1%2C2%2C3 Triazole3d.png ImageSizeR1 = 100px IUPACName = 1H 1,2,3 triazole OtherNames = 1,2,3 triazole Section1 = Chembox Identifiers CASNo = 288 36 8… …
74purine — /pyoor een, in/, n. Chem., Biochem. 1. a white, crystalline compound, C5H4N4, from which is derived a group of compounds including uric acid, xanthine, and caffeine. 2. one of several purine derivatives, esp. the bases adenine and guanine, which… …
75thiazine — /thuy euh zeen , zin/, n. Chem. any of a class of compounds containing a ring composed of one atom each of sulfur and nitrogen and four atoms of carbon. [1895 1900; THI + AZINE] * * * ▪ chemical compound any of three organic compounds of… …
76diazine — di·a·zine dī ə .zēn, dī az ən n any of three heterocyclic aromatic compounds C4H4N2 that consist of a six membered ring and differ in the proximity of the nitrogen atoms to each other * * * di·a·zine (di aґzēn) 1. any of a group of compounds …
77Pyrimidine — One of the two classes of bases in DNA and RNA. The pyrimidine bases are thymine (T) and cytosine (C) in DNA and thymine (T) and uracil (U) in RNA. * * * 1,3 Diazine; a heterocyclic substance, the formal parent of several “bases” present in… …
78thiazine — thi·a·zine thī ə .zēn n any of various compounds that are characterized by a ring composed of four carbon atoms, one sulfur atom, and one nitrogen atom and include some that are important as dyes and others that are important as tranquilizers see …
79Organophosphorus — compounds are degradable organic compounds containing carbon–phosphorus bonds (thus excluding from phosphate and phosphite esters, which lack such kind of bonding), used primarily in pest control as an alternative to chlorinated hydrocarbons that …
80Hypochlorous acid — Hypochlorous acid …
