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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。
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(2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid CAS 58001-44-8 PubChem CID 2172
O=C(O)C1C(=CCO)OC2CC(=O)N21 -
4-Oxa-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3-(2-hydroxyethylidene)-7-oxo-, (2R,3Z,5R)- CAS 58001-44-8 PubChem CID 42617
O=C(O)[C@H]1C(=CCO)O[C@@H]2CC(=O)N12 -
4-OXA-1-AZABICYCLO(3.2.0)HEPTANE-2-CARBOXYLIC ACID, 3-(2-HYDROXYETHYLIDENE)-7-OXO-, (2R-(2.ALPHA.,3Z,5.ALPHA.))- CAS 58001-44-8 PubChem CID 5280980
O=C(O)[C@H]1/C(=C/CO)O[C@@H]2CC(=O)N21 -
(2R,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid CAS 58001-44-8 PubChem CID 5353404
O=C(O)C1/C(=C\CO)OC2CC(=O)N21 -
rel-(2S,5S,Z)-3-(2-Hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid CAS 58001-44-8 PubChem CID 12891317
O=C(O)[C@@H]1/C(=C/CO)O[C@H]2CC(=O)N21