Synonyms: 6,7-Isoquinolinediol,1,2,3,4-tetrahydro-1-(3,4,5-trimethoxybenzyl)-, hydrochloride, (+)- (8CI);6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-[(3,4,5-trimethoxyphenyl)methyl]-,hydrochloride, (1R)- (9CI); 6,7-Isoquinolinediol,1,2,3,4-tetrahydro-1-[(3,4,5-trimethoxyphenyl)methyl]-, hydrochloride, (R)-; (+)-1-(3,4,5-Trimethoxybenzyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinolinehydrochloride; (+)-Trimetoquinol hydrochloride; 1,2,3,4-Tetrahydroisoquinoline,1-(3,4,5-trimethoxybenzyl)-6,7-dihydroxy-, hydrochloride, d-; AQD;R-(+)-Trimetoquinol hydrochloride