二氧化碳

methyl 2-hydroxy-5-methyl-3-nitrobenzoate

methyl 3-amino-2-hydroxy-5-methylbenzoate

6-甲基-3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-8-羧酸甲酯

methyl 2-hydroxy-5-methyl-3-prop-2-enylbenzoate