| 单词 | penicillanic acid |
| 释义 | > as lemmaspenicillanic acid penicillanic acid n. 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.extracted from penicillanicadj.< as lemmas |
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