Also Called: Chromate(2-), [5-chloro-2-hydroxy-3-[(5- hydroxynaphth[2,1-d]-1,3-oxathiol-4-yl)azo]benzenesulfonic acid S,S-dioxidato(3-)][2-chloro- 6-[[(2-hydroxyphenyl)methylene]amino]-4-nitrophenolato (2-)-N2,O1,O2]-, disodium;Chromate(2-), [5-chloro-2-hydroxy-3-[(5-hydroxynaphth[2,1-d]-1,3-oxathiol-4-yl)azo]benzenesulfonic acid S,S-dioxidato(3-)][2-chloro-6-[[(2-hydroxyphenyl)methylene]amino]-4-nitrophenolato(2-)-N²,O¹,O²]-, disodium