上游原料
O-benzylhydroxylamine; 1-[(aminooxy)methyl]benzene1-({[bis(tert-butoxycarbonyl)amino]oxy}methyl)benzene2-({[(tert-butoxycarbonyl)(hydroxy)amino]carbonyl}oxy)-2-methylpropane2-({[(tert-butoxycarbonyl)(hydroxy)amino]carbonyl}oxy)-2-methylpropane2,2-dimethyl-1,3-benzodioxole-5,6-diamine; 6-amino-2,2-dimethyl-1,3-benzodioxol-5-ylaminetert-butyl 2,3-dioxobutanoatetert-butyl 2,2,7-trimethyl[1,3]dioxolo[4,5-g]quinoxaline-6-carboxylatetert-butyl 7-(bromomethyl)-2,2-dimethyl[1,3]dioxolo[4,5-g]quinoxaline-6-carboxylatetert-butyl 7-({[bis(tert-butoxycarbonyl)amino]oxy}methyl)-2,2-dimethyl[1,3]dioxolo[4,5-g]quinoxaline-6-carboxylate3-[(aminooxy)methyl]-6,7-dihydroxy-2-quinoxalinecarboxylic acid2-[2-(formylamino)-1,3-thiazol-4-yl]-2-oxoacetic acid3-[(aminooxy)methyl]-6,7-dihydroxy-2-quinoxalinecarboxylic acid1,1-dimethylpropanoic [2-(formylamino)-1,3-thiazol-4-yl](oxo)acetic anhydride(2R,3S)-3-amino-2-methyl-4-oxo-1-azetidinesulfonic acidN,N,N-tributyl-1-butanaminium (2R,3S)-3-({2-[2-(formylamino)-1,3-thiazol-4-yl]-2-oxoacetyl}amino)-2-methyl-4-oxo-1-azetidinesulfonatedisodium 3-({[((Z)-1-[2-(formylamino)-1,3-thiazol-4-yl]-2-{[(2R,3S)-2-methyl-4-oxo-1-sulfonatoazetidinyl]amino}-2-oxoethylidene)amino]oxy}methyl)-6,7-dihydroxy-2-quinoxalinecarboxylateAcetoacetic acid tert-butyl ester;3-Oxo-butanoic acid 1,1-dimethylethyl estertert-butyl 3-oxobutanoate2-({[(tert-butoxycarbonyl)(hydroxy)amino]carbonyl}oxy)-2-methylpropane3-[(aminooxy)methyl]-6,7-dihydroxy-2-quinoxalinecarboxylic acidN,N,N-tributyl-1-butanaminium (2R,3S)-3-({2-[2-(formylamino)-1,3-thiazol-4-yl]-2-oxoacetyl}amino)-2-methyl-4-oxo-1-azetidinesulfonate2,2-dimethyl-5,6-dinitro-1,3-benzodioxole6,6-dimethyl[1,3]dioxolo[4,5-f][2,1,3]benzoxadiazol-1-ium-1-olate6-(tert-butoxycarbonyl)-2,2,7-trimethyl[1,3]dioxolo[4,5-g]quinoxaline-5,8-diium-5,8-diolate6-(tert-butoxycarbonyl)-2,2-dimethyl-7-{[(2,2,2-trifluoroacetyl)oxy]methyl}[1,3]dioxolo[4,5-g]quinoxalin-5-ium-5-olate7-(bromomethyl)-6-(tert-butoxycarbonyl)-2,2-dimethyl[1,3]dioxolo[4,5-g]quinoxalin-5-ium-5-olate7-({[bis(tert-butoxycarbonyl)amino]oxy}methyl)-6-(tert-butoxycarbonyl)-2,2-dimethyl[1,3]dioxolo[4,5-g]quinoxalin-5-ium-5-olatetert-butyl 7-[(aminooxy)methyl]-2,2-dimethyl[1,3]dioxolo[4,5-g]quinoxaline-6-carboxylatedi(N,N,N-tributyl-1-butanaminium) 3-({[((Z)-1-[2-(formylamino)-1,3-thiazol-4-yl]-2-{[(2R,3S)-2-methyl-4-oxo-1-sulfonatoazetidinyl]amino}-2-oxoethylidene)amino]oxy}methyl)-6,7-dihydroxy-2-quinoxalinecarboxylate