| 摘要 |
<p>This invention relates to a compound of formula (I), wherein R1 is a heterocyclic group or aryl, each of which may be substituted with suitable substituent(s), A is -CONH- or -NHCO-, n is an integer of 0 or 1, and (II) is a group of formula (III), in which R?2, R3 and R4¿ are each hydrogen, halogen, etc., R5 is hydrogen or lower alkyl, R6 is hydrogen, halogen, lower alkyl, etc., and R7 is hydrogen, substituted lower alkyl, a heterocyclic group, etc., and pharmaceutically acceptable salt thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prevention and/or the treatment of bone diseases caused by abnormal bone metabolism in human beings or animals.</p> |
