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7-APRA、7-APCA

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicylo[4.2.0]oct-

2-ene-2-carboxylic acid

7-ANCE

(6R,7R)-7-Amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester

7-ATCA

(6R,7R)-7-Amino-3-[(Z)-2-(4-methylthiazol-5-yl]ethenyl-8-oxo-5-thia-1-azabicylo[4.2.0]oct-2-ene-2-carboxylic acid

BCN、BPCM

(6R,7R)-7-[[(Z)-2-(2-t-Butoxycarbonylaminothiazol-4-yl)-2-

pentenoyl]amino]-3-aminocarbonyl-oxymethyl-8-oxo-5-thia-1-

PIVA、BPCN

2,2-Dimethylpropanoyloxymethyl (6R,7R)-7-[(Z)-2-(2-t-Butoxy-

7-NACA、7-ANCA

7-Amino-3-nor-3-cephem-4-carboxylic acid

7-AVCA

7-Amino-3-vinyl-3-cephem-4-carboxylic acid

7-AMCA

(6R,7R)-7-Amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

7-ACP

Imidazo[1,2-b]pyridazinium, 1-[(7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl]-, inner salt, (6R-trans)-

7-AMOCA

(6R,7R)-7-amino-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-

ene-2-carboxylic acid

main nucleus of aztreonam

( 2S,3S )-3-Amino-2-methyl-4-oxo-1-azetidinesulfonic acid

main nucleus of carumonam

(2S)-3-amino-2-[(aminocarbonyl) )oxy]methyl -4-oxo-1-azetidine-

sulfonic acid