| abstract |
A compound of formula VI: ** Formula ** or a pharmaceutically acceptable salt or ester thereof, wherein, Rx and Ry together with the carbon to which each is attached, form a cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, tetrahydropyran, piperidine, piperazine, morpholine, tetrahydrofuran, tetrahydrothiophene, pyrrolidine, oxazolidine or imidazolidine; each RA is independently alkyl, alkoxy, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, arylalkyl, heteroarylalkyl, haloalkyl, haloalkoxy, halo, OH, -NO2, -CN, or -NH2; or two RA groups together with the atoms to which each one is attached, can form a ring; and m is 0, 1, or 2; wherein cycloalkyl denotes a monovalent group derived from a saturated or partially unsaturated monocyclic or polycyclic carbocyclic ring compound. |