tert-butyl (1-(3-chloro-6-(3-cyano-2-hydroxyphenyl)quinolin-4-yl)piperidin-4-yl)carbamate, , , , tert-butyl (1-(3-chloro-6-(3-cyano-2-hydroxyphenyl)quinolin-4-yl)piperidin-4-yl)carbamate,