p-aminobenzenesulphonamido-4-aniline, 4,4'-Diaminobenzenes, p-Aminobenzenesulfanilamide, 4,4-Diamino Benzsulphoamide, 4,4'-DIAMINOBENZENSULPHANILIDE, 4,4'-Diamino Sulfanilide, sulfabenzamide, DASA, Benzenesulfonamide, 4-amino-N-(4-aminophenyl)-, 4,4-DIAMINOBENZENESULFONAMIDE, 4,4-Diaminodiphenylsulfonamide, N-Sulfanilyl-p-phenylendiamin, 4,4-DIAMINO BENZSULPHONAMIDE