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1,2,4-Triazole (as ligand in coordination compounds, Htrz abbreviation is sometimes used) is one of a pair of isomeric chemical compounds with molecular formula C 2 H 3 N 3, called triazoles, which have a five-membered ring of two carbon atoms and three nitrogen atoms. 1,2,4-Triazole and its derivatives find use in a wide variety of applications.
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole is an organic compound with the formula SC 2 N 3 H(NH 2)(N 2 H 3). The compound consists of a 1,2,4-triazole heterocycle with three functional groups: amine, thioamide and hydrazyl. X-ray crystallography shows that this molecule is polar but with a C=S double bond. It is prepared by the reaction of ...
4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) is an azodicarbonyl compound. PTAD is one of the strongest dienophiles and reacts rapidly with dienes in Diels-Alder reactions . [ 1 ] The most prominent use of PTAD was the first synthesis of prismane in 1973.
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1,2,3,4-Butanetetracarboxylic acid is an organic compound with the formula HO 2 CCH 2 CH(CO 2 H)CH(CO 2 H)CH 2 CO 2 H. It is one of the simplest stable tetracarboxylic acids. The compound exists as two diastereomers, meso and the (R,R)/(S,S) pair. All are white solids. The compound is produced by oxidation of tetrahydrophthalic anhydride. [1]
1. New York City. New York City is widely regarded as the most overpriced housing market — and for good reason. According to data from the Federal Reserve of St. Louis, ...
Giannis Antetokounmpo had 37 points, 11 assists and 10 rebounds for his second triple-double in his last four games, and the Milwaukee Bucks beat the Indiana Pacers 129-117 on Friday night.
Will Brigham Young come in behind Boise State? Almost definitely. No. 6 last Tuesday, the Cougars should land no higher than No. 13, one spot or more behind Boise State, after losing 17-13 to Kansas.