发明公开
EP0046964A3 New cephem compounds and processes for preparation thereof 失效
新CEPHEM化合物及其制备方法

New cephem compounds and processes for preparation thereof
摘要:
A compound of the formula:
in which
R 1 is amino or a protected amino group, R 2 is an aliphatic hydrocarbon residue which may have suitable substituent(s), X is N or CH, and Y is hydrogen, amino or a protected amino group;
and pharmaceutically acceptable salts thereof, and processes for their preparation and also a pharmaceutically composition comprising, as an effective ingredient, the above compound in association with pharmaceutically acceptable carriers.
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