英文别名Cefoperazone Impurity A; Cefoperazone Impurity 1; Cefoperazone EP Impurity A; Cefoperazole Impurity A; [5aR-[5aα,6β(R*)]]-4-Ethyl-N-[1-(4-hydroxyphenyl)-2-oxo-2-[(1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino]ethyl]-2,3-dioxo-1-piperazinecarboxamide 
