benzyl 4-acetyl-5-methyl-1H-pyrrole-2-carboxylate

(3,5-diacetyl-2,6-dimethyl-1,4-dihydropyridin-4-yl)methyl carbamimidothioate hydrochloride

4-acetyl-5-methylpyrrole-2-carboxylic acid

4-氨基-3-戊烯-2-酮

1,2-二溴乙醇醋酸酯