( )-Homolaudanosine (S)-Homolaudanosine 85611-40-1 Homolaudanosine, ( )- Isoquinoline, 1-(2-(3,4-dimethoxyphenyl)ethyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, (1S)- S-( )-Homolaudanosine