130-85-8 2-Naphthalenecarboxylic acid, 4,4'-methylenebis(3-hydroxy-, dirubidium salt 4,4'-Methylenebis(3-hydroxy-2-naphthalenecarboxylic acid), dirubidium salt 68226-94-8 Dirubidium 4,4'-methylenebis(3-hydroxy-2-naphthoate) EINECS 269-332-3