2-(N-p-Aminophenyl-N-2-hydroxyethylamino)ethanol sulfate 63886-75-9 N,N-Bis-(2-hydroxyethyl)-p-phenylenediamine sulfate N,N-Bis-2-hydroxyethyl-p-fenylendiamin siran [Czech] T 32 p-Phenylenediamine, N,N-bis(2-hydroxyethyl)-, sulfate (1:1)