(R)-(1-(7-(丁-2-炔-1-基)-3-甲基-1-((4-甲基喹唑啉-2-基)甲基)-2,6-二氧代-2,3,6,7-四氢-1H-嘌呤-8-基)哌啶-3-基)氨基甲酸叔丁酯
(R)-tert-Butyl (1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate
(R)-(1-(7-(丁-2-炔-1-基)-3-甲基-1-((4-甲基喹唑啉-2-基)甲基)-2,6-二氧代-2,3,6,7-四氢-1H-嘌呤-8-基)哌啶-3-基)氨基甲酸叔丁酯 97% HPLC