Synonyms: Ethyl 4,6-dihydro-4-oxo-1-phenylpyrrolo(3,4-c)pyrazole-5(1H)-acetate;2-Ethoxycarbonylmethyl-3-oxo-6-phenyl-1,2-dihydro-3H-pyrrolo(3,4-c)pyrazole;Pyrrolo(3,4-c)pyrazole-5(1H)-acetic acid, 4,6-dihydro-4-oxo-1-phenyl-, ethyl ester;AC1MIL9F;LS-139466;ethyl 2-(4-oxo-1-phenyl-6H-pyrrolo[3,4-c]pyrazol-5-yl)acetate;141581-91-1