668272-18-2

Carbamic acid,[1-[1-[2-[2-(2-amino-2-oxoethoxy)phenyl]-2-oxoethyl]-7-(2-butynyl)-2,3,6,7-tetrahydro-3-methyl-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]-,1,1-dimethylethyl ester