668272-88-6

Carbamic acid,[1-[7-[(2-cyanophenyl)methyl]-2,3,6,7-tetrahydro-3-methyl-1-[(3-methyl-1-isoquinolinyl)methyl]-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]-,1,1-dimethylethyl ester