abstract |
The compound, according to formula (i)wherein X and Y are independently CH, N or N-oxide, provided that X and Y do not both represent CH;Z is CO or CS;R1 is alkyl, optionally substituted with one or more halogens; andR2, R3, R4 and R5 are each various organic groups.Such compounds have therapeutic utility, via inhibition of phosphodiesterase IV. |