Chemical Name: (R)-N-(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)-N-(1-nitrosopiperidin-3-yl)nitrous amide
Smile: O=C(N1CC2=NC3=CC=CC=C3C(C)=N2)N(C4=C(C1=O)N(CC#CC)C(N([C@@H]5CCCN(C5)N=O)N=O)=N4)C