A1BWF a1bwf 3-methyl-N-(5-{4-[(1r,4S)-4-{[7-oxo-8-(propan-2-yl)-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl]amino}cyclohexyl]piperazin-1-yl}pentanoyl)-L-valyl-(4R)-4-hydroxy-N-{[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl}-L-prolinamide A1BWF