(.+-.)-Laudanosine 1699-51-0 DL-Laudanosine Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-veratryl-, (.+-.)- Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, (.+-.)- Laudanosine NSC94267