1,3-Diethyl-2-(3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1-propenyl)-1H-naphth(2,3-d)imidazolium 139167-47-8 1H-Naphth(2,3-d)imidazolium, 2-(3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1-propenyl)-1,3-diethyl-, chloride Typ-nic