141363-21-5 1H-Imidazole, 2-((2,3-dihydro-1H-inden-1-ylidene)methyl)-1-methyl-5-nitro 2-((2,3-Dihydro-1H-inden-1-ylidene)methyl)-1-methyl-5-nitro-1H-imidazole BRN 4260975