4-[4-[[5-Chloro-4-[[2-[(propan-2-yl)sulfonyl]phenyl]amino]pyrimidin-2-yl]amino]-5-isopropoxy-2-methylphenyl]piperidine-1-carboxylic acid tert-butyl ester

4-[4-[[5-Chloro-4-[[2-[(propan-2-yl)sulfonyl]phenyl]amino]pyrimidin-2-yl]amino]-5-isopropoxy-2-methylphenyl]piperidine-1-carboxylic acid tert-butyl ester