2H-Pyrimido[4,5-d][1,3]oxazin-2-one, 7-[[(1S)-1-[4-[(1S)-2-cyclopropyl-1-[4-(1-oxo-2-propen-1-yl)-1-piperazinyl]ethyl]phenyl]ethyl]amino]-1-ethyl-1,4-dihydro-
2H-Pyrimido[4,5-d][1,3]oxazin-2-one, 7-[[(1S)-1-[4-[(1S)-2-cyclopropyl-1-[4-(1-oxo-2-propen-1-yl)-1-piperazinyl]ethyl]phenyl]ethyl]amino]-1-ethyl-1,4-dihydro-