76741-89-4 Benzoic acid, 4-methyl-, 4-(2-((1,1-dimethylethyl)amino)-1-((methylsulfonyl)oxy)ethyl)-1,2-phenylene ester alpha-((tert-Butylamino)methyl)-3,4-dihydroxybenzyl alcohol-3,4-di(4-toluate)methanesulfonate alpha-((tert-Butylamino)methyl)-3,4-dihydroxybenzyl alcohol-3,4-di(p-toluate)methanesulfonate