tert-Butyl 3'-amino-1'H-spiro[cyclobutane-1,6'-pyrrolo[3,4-c]pyrazole]-5'(4'H)-carboxylate 250mg

tert-Butyl 3'-amino-1'H-spiro[cyclobutane-1,6'-pyrrolo[3,4-c]pyrazole]-5'(4'H)-carboxylate 250mg