(4S)-3-(4-aminophenyl)-4-methyl-4,5-dihydro-1H-pyridazin-6-one

4-(4-Aminophenyl)-3-methyl-4-oxobutanoic acid hydrochloride

2-(1-(4-乙酰氨基苯基)-1-氧代丙烷-2-基)丙二酸二乙酯

3-(4-乙酰基氨基苯甲酰基)丙酸

methyl 3-(4-acetamidobenzoyl)but-3-enoate