Pharmaceutical IntermediateChina Tert-butyl((3s)-1-(7-(but-2yn-1yl)-3Methyl-1-((4Methylquinazolin-2yl)Methyl)-2,6-dioxo-2,3,4,5,6,7-hexahydro-1h-purin-8yl)piperidin-3yl)carbaMate CAS668273-75-4, Find details about China Intermediate, Pharmaceutical Intermediate from Tert-butyl((3s)-1-(7-(but-2yn-1yl)-3Methyl-1-((4Methylquinazolin-2yl)Methyl)-2,6-dioxo-2,3,4,5,6,7-hexahydro-1h-purin-8yl)piperidin-3yl)carbaMate CAS668273-75-4