tert-butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate;
(3aS,6aS)-tert-butyl hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate;
tert-butyl hexahydropyrrolo-[2,3-c]pyrrole-1(2H)-carboxylate;
tert-butyl 2,7-diazabicyclo[3.3.0]octane-2-carboxylate;
(3aS,7aS)-2,2-dimethyl-3a,7a-dihydro-1,3-benzodioxole-4-carbonitrile;
(1R,6S)-2-cyano-8,8-dimethyl-7,9-dioxabicyclo<4.3.0>nona-2,4-diene;
HEXAHYDRO-PYRROLO[3,4-B]PYRROLE-1-CARBOXYLIC ACID TERT-BUTYL ESTER;
(3aR,6aR)-hexahydro-pyrrolo[3,4-b]pyrrole-1-carboxylic acid tert-butyl ester;