1. A compound of formula (I), or a stereoisomer thereof, or a pharmaceutically acceptable salt； wherein: Q is heteroaryl； R is: (a) hydrogen, (b) (CO) -R or (c) COOR, n = 0, 1 or 2； R denotes: (a) SOM, (b) SONH, (c) POM, (d) CHCOOM, (e) CFCOOM, (f) CHFCOOM or (g) CF； M denotes hydrogen or a cation； R denotes: (a) hydrogen, (b) CC alkyl optionally substituted with one or more substituents independently selected from halogen, OR, CN, COOR, CONRR, NRR, NRCOR, NRCONRR, heterocyclyl, heteroaryl, cycloalkyl or aryl, (c) CN, (d) NRR , (e) CONRR, (f) NHCONRR, (g) aryl, optionally substituted with one or more substituents, independently selected from CC-alkyl, OR, NRR, halogen, CN, CONRR, SO-alkyl, SO-aryl, OSO-alkyl, OSO-aryl or NHCONRR, (h) heterocyclyl, optionally substituted with one or more substituents independently selected from C-C-alkyl, OR, NRR, halogen, CN, CONRR, SO-alkyl, SO-aryl, OSO-alkyl, OSO-aryl or NHCONRR, (i) heteroaryl, optionally substituted with one or more substituents independently selected from C-Ci-alkyl , OR, NRR, halogen, CN, CONRR, SO-alkyl, SO-aryl, OSO alkyl, OSO-aryl or NHCONRR, (j) cycloalkyl optionally substituted with one or more substituents, independently selected from CC-alkyl, OR, NRR, halogen, CN, CONRR, SO-alkyl, SO-aryl, OSO-alkyl, OSO-aryl or NHCONRR, (k) cycloalkyl optionally substituted with C-C-alkyl, wherein CC- alkyl is additionally substituted with one or more substituents independently selected from OR, NRR, halogen, CN or CONRR, or (1) OR； R is: (a) hydrogen, (b) CC is alkyl optionally substituted with one or more substituents independently selected from halogen, OR, CN, COOR, CONRR, NRR, NRCOR, heterocyclyl, heteroaryl, cycloalkyl or aryl, (c) aryl, optionally substituted with one or more substituents, independently1. Соединение формулы (I)или его стереоизомер, или фармацевтически приемлемая соль；где:Q обозначает гетероарил；Rобозначает:(a) водород,(b) (CO)-Rили(c) COOR,n=0, 1 или 2；Rобозначает:(a) SOM,(b) SONH,(c) POM,(d)
