1026853-23-5

Ethyl 5-Boc-4,6-dihydropyrrolo-[3,4-c]pyrazole-3-carboxylate 5-tert-butyl 3-ethyl 1H,4H,5H,6H-pyrrolo[3,4- c]pyrazole-3,5-dicarboxylate 5-tert-butyl 3-ethyl 4,6-dihydropyrrolo[3,4-c]pyrazole-3,5(1H)-dicarboxylate 5-O-tert-butyl 3-O-ethyl 4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-3,5-dicarboxylate Pyrrolo[3,4-c]pyrazole-3,5(1H)-dicarboxylic acid, 4,6-dihydro-, 5-(1,1-dimethylethyl) 3-ethyl ester