Urea and amide derivatives and their use for the regulation of potassium channels

摘要

PCT No. PCT/EP94/01008 Sec. 371 Date Dec. 27, 1995 Sec. 102(e) Date Dec. 27, 1995 PCT Filed Mar. 30, 1994 PCT Pub. No. WO94/22807 PCT Pub. Date Oct. 13, 1994A compound having the formula IMAGE or a pharmaceutically acceptable salt thereof, wherein X, Z, Y, A, D, E, F, R1, R2, R3, R4, R11, R12 have the meanings set forth in the specification, pharmaceutical compositions comprising the same, and a method of treating therewith. The compounds are useful as potassium channel openers.