4-甲基邻苯二甲酸二甲酯

1-ethoxycarbonyl-3,4-bismethoxycarbonylpyrazole

1-ethoxycarbonyl-6-methyl-3,3a-bismethoxycarbonyl-3a,7a-dihydroindazole

5-methyl-9-oxo-1,2-diazabicyclo[5.2.0]nona-3,5-diene-2-carboxamide

N,5-dimethyldiazepine-1-carboxamide