2-三氟甲基-6,7-二氢-5H-吡咯并[3,4-d]嘧啶

tert-butyl 2-cyclopropyl-5,7-dihydropyrrolo[3,4-d]pyrimidine-6-carboxylate

吡咯并[3,4-c]吡唑-5(2H,4h,6h)-羧酸叔丁酯

2-(甲基硫代)-5H-吡咯并[3,4-d]嘧啶-6(7H)-羧酸叔丁酯

2-(三氟甲基)-5H-吡咯并[3,4-d]嘧啶-6(7H)-羧酸叔丁酯