BENZOTHIAZOLIUM, 2-[[7-(DIMETHYLAMINO)-4,4A,5,6-TETRAHYDRO-2(3H)-NAPHTHALENYLIDENE]METHYL]-3-ETHYL-, PERCHLORATE;2-([7-(DIMETHYLAMINO)-4,4A,5,6-TETRAHYDRO-2(3H)-NAPHTHALENYLIDENE]METHYL)-3-ETHYL-1,3-BENZOTHIAZOL-3-IUM PERCHLORATE
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