2228971-72-8

5’-Boc-3’-amino-4’,5’-dihydro-1’H-spiro[cyclopentane-1,6’-pyrrolo[3,4-c]pyrazole 5’-Boc-3’-amino-4’,5’-dihydro-1’H-spiro[cyclopentane-1,6’-pyrrolo[3,4-c]pyrazole tert-butyl 3-aminospiro[1,4-dihydropyrrolo[3,4-c]pyrazole-6,1'-cyclopentane]-5-carboxylate tert-butyl 3-aminospiro[1,4-dihydropyrrolo[3,4-c]pyrazole-6,1'-cyclopentane]-5-carboxylate tert-Butyl 3'-amino-1',4'-dihydro-5'H-spiro[cyclopentane-1,6'-pyrrolo[3,4-c]pyrazole]-5'-carboxylate tert-Butyl 3'-amino-1',4'-dihydro-5'H-spiro[cyclopentane-1,6'-pyrrolo[3,4-c]pyrazole]-5'-carboxylate