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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。

共找到 2 条结果，关键词：Cefuroxime+Impurity+81

(6R,7R)-3-((R,Z)-7-((R)-5-((carbamoyloxy)methyl)-4-carboxy-3,6-dihydro-2H-1,3-thiazin-2-yl)-4-(furan-2-yl)-5,8,10-trioxo-2,11-dioxa-3,6,9-triazadodec-3-en-12-yl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid PubChem CID 175673843

CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(COC(=O)C3=C(COC(N)=O)CS[C@@H]4[C@H](NC(=O)/C(=N\OC)c5ccco5)C(=O)N34)CS[C@H]12)c1ccco1
(S)-N,N-DIMETHYL-1-[(R)-1,2-BIS(DIPHENYLPHOSPHINO)FERROCENYL]ETHYLAMINE CAS 84522-17-8 PubChem CID 97353

NC(=O)C(=O)c1ccco1