2,6-DICARBOXYNAPHTHALENE2,6-萘二羧酸2,6-Naphthalenedicarboxylic acidNaphthalene-2,6-dicarboxylic acid 99%Naphthalene-2,6-dicarboxylic acid2,6-Naphthalenedicarboxylic AcidNSC 964102,6-Naphthalic Acid萘-2,6-二甲酸Naphthalene-2,6-dicarboxylic acid2,6-DICARBOXYNAPHTHALENEnaphthalene-2,6-dicarboxylic acid2,6-naphthalenedicarboxylic acid2,6-naphthalic acid