135408-43-4

3H-INDOLIUM, 2-[7-(1,3-DIHYDRO-1,3,3-TRIMETHYL-5-SULFO-2H-INDOL-2-YLIDENE)-1,3,5-HEPTATRIENYL]-1,3,3-TRIMETHYL-5-SULFO-, INNER SALT, SODIUM SALT, MONOHYDRATE