1-苄基-5-乙氧基海因

(E)-4-(6-甲氧基萘-2-基)-4-氧代丁-2-烯酸

D-烯丙基甘氨酸

benzyl 3-oxo-2,5,7,8-tetrahydropyrido[4,3-c]pyridazine-6-carboxylate

2-(1,3-二氢-1-氧代-2H-茚-2-亚基)乙酸