130573-32-9 2H-1-Benzopyran-2-ethanaminium, 3,4-dihydro-6-hydroxy-N,N,N,2,5,7,8-heptamethyl-, salt with 4-methylbenzenesulfonic acid (1:1) 3,4-Dihydro-6-hydroxy-N,N,N,2,5,7,8-heptamethyl-2H-1-benzopyran-2-ethanaminium 4-methylbenzenesulfonate DHHBE Mdl 73404 Mdl 74,405 Mdl-73404