668276-35-5

Carbamic acid, [1-[7-(2-butynyl)-1-[2-(cyanoimino)-2-phenylethyl]-2,3,6,7-tetrahydro-3-m ethyl-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]-, 1,1-dimethylethyl ester