ethyl 3-hydroxy-2,2-dimethylbutanoate

3-氧-3-(4-嘧啶基)甲基丙酸酯

3-氧代-3-(2-吡啶)丙酸甲酯

4-氰基-3-苯丙酸甲酯

methyl 3-(4-methylphenyl)prop-2-enoate