338791-55-2

methyl 4-hydroxy-3-oxo-4-phenyl-2H,3H,3aH,4H,5H,6H-pyrrolo[2,3-c]pyrazole-2-carboxylate METHYL 4-HYDROXY-3-OXO-4-PHENYL-3A,4,5,6-TETRAHYDROPYRROLO[2,3-C]PYRAZOLE-2(3H)-CARBOXYLATE Pyrrolo[2,3-c]pyrazole-2(1H)-carboxylic acid, 3,3a,4,5-tetrahydro-4-hydroxy-3-oxo-4-phenyl-, methyl ester