Synonyms4,4'-Methylenebis[3-hydroxy-2-naphthalenecarboxylic Acid; 2,2'-Dihydroxy-1,1'-dinaphthylmethane-3,3'-dicarboxylic Acid; 4,4'-Methylenebis[3-hydroxy-2-naphthoic Acid]; Embonic Acid Close 4,4'-Methylenebis[3-hydroxy-2-naphthalenecarboxylic Acid; 2,2'-Dihydroxy-1,1'-dinaphthylmethane-3,3'-dicarboxylic Acid; 4,4'-Methylenebis[3-hydroxy-2-naphthoic Acid]; Embonic Acid Related products Embonic Acid M.F. M.W. 388.38 CAT# AR-E01224 CAS# NA Pamoic Acid M.F. M.W. 388.37 CAT# AR-M03353 CAS# 130-85-8