4-Dimethylamino-2,2-diphenylvaleric acid hydrogen sulfate Pentanoic acid, 4-(dimethylamino)-2,2-diphenyl-, hydrogen sulfate Valeric acid, 4-dimethylamino-2,2-diphenyl-, hydrogen sulfate YV6489300 gamma-Dimethylamino-alpha,alpha-diphenylvaleric acid hydrogen sulfate