methyl 3-methoxy-5-methylnaphthalene-1-carboxylate

dimethyl 3-ethenylcyclobutene-1,2-dicarboxylate

1-苄基-3-羟基哌啶-3-羧酸甲酯

3-氨基-5-氟吡啶甲酸甲酯

2-己酮