5-氯-7-吲哚羧酸

甲基1,3-苯并噻唑-2-羧酸酯

methyl 3,4-dihydro-1H-isoquinoline-2-carboxylate

5-Methyl-1,3-dioxan-2-one

3-methyl-5-phenyl-1,3,4-oxadiazol-2-one