英文别名Meropenem Impurity 4; Meropenem - cyclooxygenate; 4-nitrobenzyl (4R,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]-heptane-2-carboxylate; 1-Azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(1R)-1-hydroxyethyl]-4-methyl-3,7-dioxo-, (4-nitrophenyl)methyl ester, (4R,5R,6S)-; p-nitrobenzyl (4S,5R,6S)-6-[(1R)-hydroxyethyl]-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate; (4R,5R,6S)-4-methyl-6-[(R)-1-hydroxyethyl]-1-azabicyclo[3.2.0]hept-3,7-dione-2-carboxylic acid (4-nitrophenyl)methyl ester; 4-nitrobenzyl (1R,5R,6S)-6[(1R)-1-hydroxyethyl]-1-methyl-2-oxo-1-carbapenam-3-carboxylate; 4-nitrobenzyl (1R,5R,6S)-[(1R)-1-hydroxyethyl]-1-methyl-2-oxo-1-carbapenam-3-carboxylate; 4-nitrobenzyl (1R,5R,6S)-6-[(R)-1-hydroxyethyl]-1-methyl-2-oxo-1-carbapenam-3-carboxylate 
