摘要 |
<p>A compound of the formula : <CHEM> in which R<1> is carboxy or protected carboxy, R<2> is hydroxy(lower)alkyl or protected hydroxy(lower)alkyl, R<3> is hydrogen or lower alkyl, R<4> is unsaturated heterocyclic group which may be substituted by suitable substituent(s), R<5> is hydrogen, lower alkanimidoyl or imino-protective group, and A is lower alkylene, or pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient in admixture with a pharmaceutically acceptable carrier or excipient.</p> |
申请人 |
FUJISAWA PHARMACEUTICAL CO., LTD., OSAKA, JP |
发明人 |
MURATA, MASAYOSHI, TOYONO-GUN OSAKA 563-01, JP;TSUTSUMI, HIDEO, TOYONAKA-SHI OSAKA 560, JP;MATSUDA, KEIJI, TAKATSUKI-SHI OSAKA 569, JP;HATTORI, KOHJI, SAKAI-SHI OSAKA 593, JP;NAKAJIMA, TAKASHI, TOYONAKA-SHI OSAKA 565, JP |