6-氟-2-甲基-4-苯并二氢吡喃-4-酮

巴豆酸异丙酯

对硝基苯甲酸甲酯

(E)-methyl 5-hydroxy-5-(4-nitrophenyl)pent-2-enoate

methyl syn-2-(hydroxy(4-nitrophenyl)methyl)but-3-enoate