27686-64-2 3-(10,10-Dimethyl-9(10H)-anthrylidene)-8-methyltropanium methyl sulfate 3-(10,10-Dimethyl-9,10-dihydroanthracen-9-ylidene)tropane dimethylsulfate Tropanium, 3-(10,10-dimethyl-9(10H)-anthrylidene)-8-methyl-, methyl sulfate