| 摘要 |
A pharmaceutical compound of the formula (see fig. I) in which X is -CR'R"- or -C(O)- where R' and R" are each hydrogen, C1-6 alkyl or optionally substituted phenyl, Y is oxygen or sulphur, R1, R2 and R7 are each selected from halo, C1-4 alkyl, C1-4 alkoxy, trifluoromethyl, nitro, cyano, amino, phenyl, phenoxy, benzyl, benzyloxy, acylamino, C1-4 alkylsulphonylamino, C1-4 alkylthio, C1-4 alkylsulphonyl, carboxamido, sulphonamido, hydroxy, methylenedioxy, carboxy, and heteroaryl, R3, R4, R5 and R6 are each hydrogen, C1-6 alkyl or optionally substituted phenyl, n, m and p are each 0, 1, 2 or 3; or a salt or ester thereof.
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