(+)-Mesembrenone 3a-(3,4-Dimethoxyphenyl)-1,2,3,3a,7,7a-hexahydro-1-methyl-6H-indol-6-one (3aR-cis)- 468-54-2 6H-Indol-6-one, 3a-(3,4-dimethoxyphenyl)-1,2,3,3a,7,7a-hexahydro-1-methyl-, (3aR-cis)-