IUPAC:8-{[(1R)-1-(3,4-dimethoxyphenyl)-2-hydroxyethyl]amino}-7-(2-methoxyethyl)-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
IUPAC:8-{[(1R)-1-(3,4-dimethoxyphenyl)-2-hydroxyethyl]amino}-7-(2-methoxyethyl)-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione