1. A piperidine derivative of formula 1, its stereoisomers or pharmaceutically acceptable salts [Formula 1] in which W is an O or N-R group； R, R and R are each independently H or a C alkyl group； R is —F or —C hyperfluoride an alkyl group； R and R are each independently selected from the group consisting of H, halogen, a -C 1-6 alkyl group and a -C 6-6 cycloalkyl group in which the 1-C 1 -alkyl group and the 3-Cycloalkyl group are each independently unsubstituted or substituted with halogen, -CN, -OC 1 -alkyl group, or -C 1-6 alkyl group； or R and R are a combination oval, forming an -cycloalkyl group in which an -cycloalkyl group is unsubstituted or substituted by halogen, an -OCalkyl group or an -alkyl group； selected from the group consisting of in which Rf and RF are each independently H, a halogen, an -alkyl group, an -alkyl ( OH) a group, an —OC alkyl group or —CN group； selected from the group consisting of in which Rk and Rk are each independently H, halogen, —Calkyl group, —Calkyl (OH) group, —OC alkyl group or —CN group； is； Q is an H, —S (O) R group, —S (O) R group, —C (O) R group drinking, -C (O) OR group, -C (O) NHR group, -C (O) NRR group, -S (O) NHR group, -S (O) NRR group or, in which R is H, -CF, -Calkyl group, from A 3- to 7-membered heterocyclic group, a cycloalkyl group, or an Ar group, R and R are each independently a C1-6 alkyl group, a Cycloalkyl group, a 3 to 7-membered heterocyclic group or an Ar group (in R, R and R, a-C1-6 alkyl group, up to a 7-membered heterocyclic group, a cycloalkyl group and Ar can each be independently substituted by Rx and Rx.), or R and R together with the N atoms to which they are bonded can form 5- or a 6 membered heterocyclic aromatic or non-aromatic compound, further including1. Производное пиперидина формулы 1, его стереоизомеры или фармацевтически приемлемые соли[Формула 1]в которомW является О или N-Rгруппой；R, Rи Rкаждая независимо является Н или Cалкильной группой；Rявляется -F или -Cгиперфторид алкильной
