CAS No:61177-45-5||Chemical Formula:C8H8KNO5 ||Potassium (2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylate
No. 44011602000398, Guangdong public network Anne