4-hydroxyimino-1-oxo-1,4-dihydro-naphthalene-2-sulfonic acid

4-Aminonaphthalene-1,3-disulfonic acid

亚硝酸

1-(1-hydroxynaphthalen-2-yl)propan-1-one

1,1'-dihydroxy-4,4'-sulfanediyl-di-[2]naphthoic acid