65837-77-6

英文别名 4-[(2-Amino-3-hydroxy-4-pyridinyl)azo]benzenesulfonic acid
(2'-amino-3'-hydroxipyridyl-4'-azo)-benzene-4-sulfonic acid
Benzenesulfonic acid, 4-[2-(2-amino-3-hydroxy-4-pyridinyl)diazenyl]-