The molecule is an L-lysine derivative obtained from nucleophilic cleavage of the beta-lactam ring of flucloxacillin by the epsilon-amino group of the L-lysine molecule. It contains a flucloxacilloyl group. It derives from a flucloxacillin.
(2R,4S)-2-[(1R)-2-[[(5S)-5-amino-5-carboxypentyl]amino]-1-[[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid