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

5-Oxo-L-proline, compound with N-(2-hydroxyethyl)-N-methylguanidine (1:1)

5-Oxo-L-proline, compound with N-(alpha-methylphenethyl)-gamma-phenylbenzenepropylamine (1:1)

5-Oxo-L-proline, compound with N-amidino-3, 5-diamino-6-chloropyrazinecarboxamide (1:1)

5-Oxo-L-proline, compound with N-benzyl-1-methyl-N-phenylpiperidin-4-amine (2:1)

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

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

5-Oxo-L-proline, compound with phthalazin-1(2H)-one hydrazone (1:1)

5-Oxo-L-proline, compound with pyridine-3-carboxamide (1:1)

5-Oxo-L-proline, compound with quinolin-8-ol (1:1)

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

5-Oxo-L-proline, compound with streptomycin (3:1)

5-Oxo-L-proline, compound with strychnidin-10-one (1:1)

5-Oxo-L-proline, compound with tricyclo(3.3.1.13, 7)decylamine (1:1)

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

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

5-Oxo-L-proline, ester with retinol

5-Oxo-L-prolinohydrazide

5-Oxo-L-propyl-L-prolinamide

5-Oxo-N, N-dipentylpyrrolidine-2-carboxamide