4,6-二氢-1H-吡咯[3,4-C]吡唑-5-甲酸丁酯

tert-butyl 1-phenyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5-carboxylate

吡咯并[3,4-c]吡唑-5(2H,4h,6h)-羧酸叔丁酯

奥格列汀

2-(甲基硫代)-5H-吡咯并[3,4-d]嘧啶-6(7H)-羧酸叔丁酯