124558-37-8 1H-Pyrrol-1-yloxy, 3-((1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)methyl)-2,5-dihydro-2,2,5,5-tetramethyl- 2-((1-Oxyl-2,2,5,5-tetramethyl-3-pyrrolin-3-yl)methenyl)indane-1,3-dione 3-((1,3-Dihydro-1,3-dioxo-2H-inden-2-ylidene)methyl)-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy InVSL