5-甲基-1-苯基-1H-吡唑-4-甲酸乙酯

ethyl 3-methyl-1-phenylpyrazole-4-carboxylate

1-苯基-1,3-丁二酮

1,2,3,4-四氢咔唑

1,2,3,4,5,6,7,8-八氢吖啶