1-((Aminoiminomethyl)hydrazono)-2,3-dihydro-1H-indene-4-carboxamide 179528-40-6 1H-Indene-4-carboxamide, 1-((aminoiminomethyl)hydrazono)-2,3-dihydro- 2-(4-Carbamoyl-2,3-dihydro-1H-inden-1-ylidene)hydrazine carboximidamide Cgp 53 391 Cgp 53391