| abstract |
Compounds of formula (I) ** see image ** in which R 1 is hydroxy or NHSO2R 1A in which R 1A is a (C1-8) alkyl, cycloalkyl (C3-7) or {(C1-6) alkyl - (C 3-7) cycloalkyl, all of which are optionally substituted 1 to 3 times with halo, nitro, O (C 1-6) alkyl, amido, amino or phenyl or R 1A is a C 6 aryl or C 10 which is optionally substituted 1 to 3 times with halo, cyano, nitro, (C 1-6) alkyl, O (C 1-6) alkyl, amido, amino or phenyl; R 2 is a cycloalkyl (C1-6) and R 3 is cyclopentyl; or a pharmaceutically acceptable salt thereof. |