Methyl N-acetyl-a-D-glucSamine

(S,5R,6R)-5-Acetamido-4-carbamimidamido-6-((1R,2R)-3-hydroxy-2-methoxypropyl)-5,6-dihydro-4H-pyran-2-carboxylic Acid-13C,15N2; (S,5R,6R)-5-Acetamido-4-guanidino-6-((1R,2R)-2,3-dihydroxy-1-methoxypropyl)-5,6-dihydro-4H-pyran-2-carboxylic Acid-13C,15N2; R 125489-13C,15N2; 5-(Acetylamino)-4-[(aminoiminomethyl)amino]-2,6-anhydro-3,4,5-trideoxy-7-O-methyl-D-glycero-D-galacto-non-2-enonic Acid-13C,15N2;

Methyl N-(benzyloxycarbonyl)-L-glutaminater-13C5; N-(Benzyloxycarbonyl)glutamine Methyl Sterr-13C5; N2-Carboxy-L-glutamine N2-Benzyl Methyl Sterr-13C5;

(S,5R,6R)-3,3-Dimethyl-7-oxo-6-[(2-phenoxy-d5-acetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid;6-(Phenoxy-d5-acetamido)penicillanic Acid;Phenoxymethylpenicillin-d5;PhenSpen-d5;Oracilline-d5;V-Cillin-d5