The aztreonam molecule - rotatable in 3 dimensions

Aztreonam is an antibiotic of the monobactam group. Like penicillin, it contains a beta-lactam "ring", but it is not directly attached to another ring.

It can be used to treat infections by organisms such as susceptible gram-negative bacteria, including Pseudomonas aeruginosa , Citrobacter, Enterobacter, E. coli, Haemophilus, Klebsiella, Proteus, and Serratia species

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... Lactam .... 3-amino monobactamic acid ...
...... Sidechain group ..... Methyl group ...
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