| 英文同义词: | 1-(2,3-Dihydroxy-4-pyridylazo)benzene-4-sulfonic acid;4-[(1,2-Dihydro-3-hydroxy-2-oxopyridin-4-yl)azo]benzenesulfonic acid;p-Sulfobenzeneazo-4-(2,3-dihydroxypyridine);Benzenesulfonic acid, 4-[2-(1,2-dihydro-3-hydroxy-2-oxo-4-pyridinyl)diazenyl]- |