5-(2-乙氧苯基)-1-甲基-3-丙基-1,6-二氢-7H-吡唑并[4,3-d]嘧啶-7-酮

2-hydroxy-5-(4-methylpiperazin-1-ylsulphonyl)benzoic acid

5-氯磺酰基-2-羟基苯甲酸

ethyl 2-(2-(1-cyanobutyl)-1-methylhydrazinyl)acetate

ethyl 4-amino-1-methyl-3-propyl-1H-pyrazole-5-carboxylate