Benzenemethanol,4-hydroxy-3-[4-[[1,2,3,4-tetrahydro-6-methoxy-2-methyl-7-[(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-8-isoquinolinyl)oxy]-1-isoquinolinyl]methyl]phenoxy]-,(S)-