ortho-diazine
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pyridazine — pīˈridəˌzēn, ˌpirəˈdaˌz , zə̇n noun Etymology: International Scientific Vocabulary pyrid + azine 1. : a liquid feeble heterocyclic base C4H4N2; 1,2 diazine called also ortho diazine 2. : a derivative of pyridazine … Useful english dictionary
Pyrimidine — Structure de la pyrimidine Général Nom IUPAC Pyrimidine … Wikipédia en Français
Phenazine — Chembox new Name = Phenazine ImageFile = Phenazine.png ImageName = Phenazine IUPACName = Phenazine Section1 = Chembox Identifiers CASNo = 92 82 0 SMILES = c12nc(C=CC=C3)#c3nc1cccc2 PubChem = 4757 Section2 = Chembox Properties Formula = C12H8N2… … Wikipedia
heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… … Universalium
Melting point — For the physical processes that takes place at the melting point, see Melting, Freezing and Crystallization The melting point of a solid is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid… … Wikipedia
pyridazine — noun A diazine in which the two nitrogen atoms are in the ortho positions; many of its derivatives are pharmaceuticals, herbicides etc … Wiktionary
sulf- — sulf(o) ♦ Élément, du lat. sulfur, uris « soufre ». ⇒ thi(o) . sulf(o) CHIM élément, du lat. sulfur, sulfuris, soufre . ⇒SULF(A) , SULF(O) , SULFUR(I) , (SULF , S … Encyclopédie Universelle
sulfo- — sulf(o) ♦ Élément, du lat. sulfur, uris « soufre ». ⇒ thi(o) . sulf(o) CHIM élément, du lat. sulfur, sulfuris, soufre . sulfo V. sulf( … Encyclopédie Universelle
sulfa- — ⇒SULF(A) , SULF(O) , SULFUR(I) , (SULF , SULFA , SULFO , SULFUR , SULFURI )élém. formants Élém. tirés du lat. sulfur « soufre », sulfur étant gén. réduit à sulf en raison de la valeur de suff. chim. donné à ure par Lavoisier et les aut. de la… … Encyclopédie Universelle
sulfuri- — ⇒SULF(A) , SULF(O) , SULFUR(I) , (SULF , SULFA , SULFO , SULFUR , SULFURI )élém. formants Élém. tirés du lat. sulfur « soufre », sulfur étant gén. réduit à sulf en raison de la valeur de suff. chim. donné à ure par Lavoisier et les aut. de la… … Encyclopédie Universelle
