2',4'-Diaminoazobenzene-4-sulfonamide hydrochloride
2',4'-ƒWƒAƒ~ƒmƒAƒ]ƒxƒ“ƒ[ƒ“-4-ƒXƒ‹ƒzƒ“ƒAƒ~ƒh‰–Ž_‰–