5-(6,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydro-[1]isochinolylmethyl)-2-methoxy-phenol, Phenol, 2-methoxy-5-[(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-isoquinolinyl)methyl]-, (±)-, (RS)-laudanosoline, racemic laudanosoline, dl-laudanidine, 5-[(6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinolin-1-yl)methyl]-2-methoxyphenol, Laudanine, 5-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydro-[1]isoquinolylmethyl)-2-methoxy-phenol, (+/-)-laudanidine, 5-(6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-ylmethyl)-2-methoxy-phenol, DL-laudanosoline, (+-)-laudanosoline