申请人:FUJISAWA PHARMACEUTICAL CO
公开号:WO2004101571A1
公开(公告)日:2004-11-25
The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl which may have suitable substituent(s), R2 is amino, protected amino or guanidino, R3 is carboxy or protected carboxy, R4 is amino or protected amino, and A is lower alkylene, or a pharmaceutically acceptable salt thereof, a process for preparing a compound of the formula [I], and a pharmaceutical composition comprising a compound of the formula [I] in admixture with a pharmaceutically acceptable carrier.
本发明涉及一种化合物,其化学式为[I]:其中R1是可能具有适当取代基的低碳烷基,R2是氨基、保护氨基或胍基,R3是羧基或保护羧基,R4是氨基或保护氨基,A是低碳烷基,或其在药学上可接受的盐,一种制备化合物[I]的方法,以及包含化合物[I]与药学上可接受的载体混合的药物组合物。