5-Oxo-L-proline, compound with DL-lysine (1:1)

5-Oxo-L-proline, compound with DL-methionine (1:1)

5-Oxo-L-proline, compound with DL-ornithine (1:1)

5-Oxo-L-proline, compound with dodecyl 3-hydroxy-L-tyrosinate (1:1)

5-Oxo-L-proline, compound with dodecyl 6-aminohexanoate (1:1)

5-Oxo-L-proline, compound with dodecylamine (1:1)

5-Oxo-L-proline, compound with endo-(1)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl alpha-(hydroxymethyl)benzeneacetate (1:1)

5-Oxo-L-proline, compound with endo-(1)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl alpha-(hydroxymethyl)benzeneacetate (1:2)

5-Oxo-L-proline, compound with erythromycin (1:1)

5-Oxo-L-proline, compound with ethane-1, 2-diamine (2:1)

5-Oxo-L-proline, compound with ethyl 1-(3-hydroxy-3-phenylpropyl)-4-phenylpiperidine-4-carboxylate (1:1)

5-Oxo-L-proline, compound with ethylamine (1:1)

5-Oxo-L-proline, compound with kanamycin A (4:1)

5-Oxo-L-proline, compound with L-cysteine (1:1)

5-Oxo-L-proline, compound with L-methionine (1:1)

5-Oxo-L-proline, compound with L-threonine (1:1)

5-Oxo-L-proline, compound with methyl (2S-trans)-6, 8-dideoxy-6-(((1-methyl-4-propyl-2-pyrrolidinyl)carbonyl)amino)-1-thio-D-erythro-alpha-D-galacto-octopyranoside (1:1)

5-Oxo-L-proline, compound with methyl N-lauroyl-L-argininate (1:1)

5-Oxo-L-proline, compound with methylamine (1:1)

5-Oxo-L-proline, compound with N, N, alpha-trimethyl-10H-phenothiazine-10-ethylamine (1:1)