4-羟基-1,8-萘二甲酸酐

spiro[dibenzo[c,h]xanthene-7,1'-phthalan]-3'-one

(4-hydroxynaphthalen-1-yl)-phenylmethanone

4-hydroxynaphthalene-1,3-disulfonic acid

4-formyl-1-hydroxy-[2]naphthoic acid