C00022  Pyruvate; 2-Oxopropanoate
       C00109  2-Oxobutanoate
       C06255  2-Oxopentanoic acid
       C00902  2-Oxohexanoic acid
       C00036  Oxaloacetate; 2-Oxobutanedioic acid
       C00026  2-Oxoglutarate
       C00322  2-Oxoadipate
       C16588  2-Oxopimelate
       C00141  2-Oxoisovalerate
       C00233  4-Methyl-2-oxopentanoate
       C00671  (S)-3-Methyl-2-oxopentanoic acid