Synonyms: 2-Naphthalenecarboxylicacid,1-(3,4-dihydroxy-5-methoxyphenyl)-1,2,3,4-tetrahydro-2,3,7-trihydroxy-3-(hydroxymethyl)-6-methoxy-,[1S-(1a,2a,3b)]-; 2-Naphthoic acid,1-(3,4-dihydroxy-5-methoxyphenyl)-1,2,3,4-tetrahydro-2,3,7-trihydroxy-3-(hydroxymethyl)-6-methoxy-,(1S,2S,3R)- (8CI); Plicatic acid (6CI,7CI); (-)-Plicatic acid