Synonyms: 2-Naphthalenecarboxylicacid,3,4-dihydro-6-hydroxy-4-(4-hydroxy-3,5-dimethoxyphenyl)-3-(hydroxymethyl)-5,7-dimethoxy-,trans-; 2-Naphthoic acid, 3,4-dihydro-6-hydroxy-4b-(4-hydroxy-3,5-dimethoxyphenyl)-3a-(hydroxymethyl)-5,7-dimethoxy-(8CI); Thomasic acid