C-CHs Degradation products of NADPH.H NADP pyrimidines can enter the citric acid cycle Ce CH. Dihydrothymine dahrydropyn ate/H, o I2N-C-NH-CH-CH-c B Ureidoisobutyrate CHs , O NHI+ HCO H N-CH -CH-C a-Ketoglutarate → Glutamate Propionyl-COA SuccinyI-CoA Methylmalonyl- semialdehydePropionyl-CoA Succinyl-CoA Degradation products of pyrimdines can enter the citric acid cycle