N,N-diethyl-p-aminobenzenesulfonic acid, EINECS 252-588-5, 4-Diethylamino-1-benzolsulfonsaeure, p-diethylaminobenzenesulfonic acid, N,N-diethylorthanilic acid, N,N-diethylsulfanilic acid, N,N-Diethylsulphanilic acid, 4-diethylaminobenzenesulfonic acid