157327-42-9
3-((二甲基氨基)亚甲基)-4-氧代吡咯烷-1-羧酸叔丁酯
→
916059-18-2
2-cyclopropyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine
1289267-20-4
tert-butyl 2-cyclopropyl-5,7-dihydropyrrolo[3,4-d]pyrimidine-6-carboxylate