Tert-butyl2,3,4,6-tetrahydro-1h-pyrrolo[3,4-c]pyrrole-5-carboxylate;4-methylbenzenesulfonicacid

Tert-butyl2,3,4,6-tetrahydro-1h-pyrrolo[3,4-c]pyrrole-5-carboxylate;4-methylbenzenesulfonicacid