73240-08-1 / Des-(N-methyl-5-tetrazolethiolyl)furolactone Cefoperazone / Cefoperazone EP Impurity A / FM6LU222PH / Cefoperazone Impurity A / (5aR,6R)-6-(((2R)-2-(((4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl)amino)-2-(4-hydroxyphenyl)acetyl)amino)-5a,6-dihydro-3H,7H-azeto(2,1-b)furo(3,4-d)(1,3)thiazine-1,7(4H)-dione / (5aR,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d] [1,3] thiazine-1,7(4H)-dione / UNII-FM6LU222PH / N-[(1R)-2-[[(4R,5R)-3,11-Dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]amino]-1-(4-hydroxyphenyl)-2-oxoethyl]-4-ethyl-2,3-dioxopiperazine-1-carboxamide / SCHEMBL29557152 / DTXSID40747568 / Cefoperazone sodium impurity A [EP] / CEFOPERAZONE SODIUM IMPURITY A [EP IMPURITY] / [5aR-[5aa,6ss(R*)]]-4-Ethyl-N-[1-(4-hydroxyphenyl)-2-oxo-2-[(1,4,5a,6-tetrahydro- / 1-PIPERAZINECARBOXAMIDE, 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-, (5AR-(5A.ALPHA.,6.BETA.(R*)))- / 1-Piperazinecarboxamide, 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-, (5ar-(5aalpha,6beta(R*)))- / N-((R)-2-(((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)-4-ethyl-2,3-dioxopiperazine-1-carboxamide / N-[(1R)-2-{[(5aR,6R)-1,7-Dioxo-1,4,6,7-tetrahydro-3H,5aH-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]amino}-1-(4-hydroxyphenyl)-2-oxoethyl]-4-ethyl-2,3-dioxopiperazine-1-carboxamide
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