1,3,4-Thiadiazole-2-acetic acid, 5-((4-bromophenyl)amino)-, ethyl ester 35728-33-7 DIPHOSPHORIC ACID, MONO(2-(3-((4-AMINO-2-METHYL-5-PYRIMIDINYL)METHYL)-4-METHYL-5 Ethyl 5-((4-bromophenyl)amino)-1,3,4-thiadiazole-2-acetate