tert-butyl N-[3-[[1-(5-benzyl-3-methyl-4-oxo-[1,2]thiazolo[5,4-d]pyrimidin-6-yl)-2-methylpropyl]-(3-fluoro-4-methylbenzoyl)amino]propyl]carbamate
tert-butyl N-[3-[[1-(5-benzyl-3-methyl-4-oxo-[1,2]thiazolo[5,4-d]pyrimidin-6-yl)-2-methylpropyl]-(4-bromobenzoyl)amino]propyl]carbamate
tert-butyl N-[3-[[1-[5-[(3-fluorophenyl)methyl]-3-methyl-4-oxo-[1,2]thiazolo[5,4-d]pyrimidin-6-yl]-2-methylpropyl]-(4-methylbenzoyl)amino]propyl]carbamate
tert-butyl N-[3-[[1-[5-[(4-fluorophenyl)methyl]-3-methyl-4-oxo-[1,2]thiazolo[5,4-d]pyrimidin-6-yl]-2-methylpropyl]-(4-methylbenzoyl)amino]propyl]carbamate
tert-butyl N-[3-[[1-(5-benzyl-3-methyl-4-oxo-[1,2]thiazolo[5,4-d]pyrimidin-6-yl)-2-methylpropyl]-(4-methylbenzoyl)amino]propyl]carbamate