C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/101.5
C07D 501/20 (2006.01) C07D 277/20 (2006.01)
Patent
CA 1127632
3-UNSUBSTITUTED-3-CEPHEM COMPOUNDS ABSTRACT Antibacterial compounds represented by the following formula including their pharmaceutically acceptable salts and esters; process for preparing them; pharmaceutical preparation comprising them; and method for combating infections by administering them: Image (wherein Hal is halogen ; R1 is hydrogen or an amino-protecting group; R2 is alkyl; and R3 is hydrogen or a carboxy-protecting group.)
334808
Hamashima Yoshio
Nagata Wataru
Johnson Douglas S. Q.c.
Shionogi & Co. Ltd.
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