| 摘要 |
PCT No. PCT/EP96/04657 Sec. 371 Date May 8, 1998 Sec. 102(e) Date May 8, 1998 PCT Filed Oct. 23, 1996 PCT Pub. No. WO97/17350 PCT Pub. Date May 15, 1997Compounds of formula (I) in which B is oxygen, CR17R18 or NR19 where R17, R18 and R19 are independently hydrogen or C1-6alkyl or B is a group S(O)b where b is 1, 2, or 3; and R6 is a group -(CH2)p-R15 where R15 is OR16 or SR16 is hydrogen or C1-6alkyl or R15 is NR10R11 where R10 and R11 are as defined for R1; have been found to exhibit 5TH1B antagonist activity.
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