5-[(2-hydroxybenzoyl)amino]-1-methylpyrazole-4-carboxylic acid

ethyl 5-(2-aminoanilino)-1-methylpyrazole-4-carboxylate

5-羟基-1-甲基-1H-吡唑-4-羧酸乙酯

ethyl 5-chlorosulfonyl-1-methylpyrazole-4-carboxylate

1-methyl-4,5-dihydro-2H-pyrazolo[4,3-c][1,5]benzodiazepine