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词汇 penicillanic acid
释义

Definition of penicillanic acid in English:

penicillanic acid

noun
Chemistry

  • A crystalline compound, C₈H₁₁NO₂S, whose bicyclic molecular structure is the nucleus of the penicillins and consists of a β-lactam ring fused to a molecule of 5,5-dimethylthiazolidine-4-carboxylic acid.

Origin

1950s.

Definition of penicillanic acid in US English:

penicillanic acid

noun
Chemistry

  • A crystalline compound, C₈H₁₁NO₂S, whose bicyclic molecular structure is the nucleus of the penicillins and consists of a β-lactam ring fused to a molecule of 5,5-dimethylthiazolidine-4-carboxylic acid.

Origin

1950s.
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