1. C00119 compound   5-Phosphoribosyl diphosphate
                      5-Phosphoribosyl 1-pyrophosphate
                      PRPP
                      5-Phospho-alpha-D-ribose 1-diphosphate

2. C02739 compound   Phosphoribosyl-ATP
                      1-(5-Phosphoribosyl)-ATP
                      N1-(5-Phospho-D-ribosyl)-ATP

3. C02741 compound   Phosphoribosyl-AMP

4. C03090 compound   5-Phosphoribosylamine
                      5-Phosphoribosyl-1-amine
                      5-Phospho-D-ribosylamine
                      5-Phospho-beta-D-ribosylamine

5. C03373 compound   5'-Phosphoribosyl-5-aminoimidazole
                      1-(5'-Phosphoribosyl)-5-aminoimidazole
                      AIR
                      Aminoimidazole ribotide
                      1-(5-Phospho-D-ribosyl)-5-aminoimidazole
                      5-Amino-1-(5-phospho-D-ribosyl)imidazole

6. C03883 compound   1-(5-Phosphoribosyl)-AMP
                      N1-(5-Phospho-D-ribosyl)-AMP

7. C04376 compound   5'-Phosphoribosyl-N-formylglycinamide
                      N-Formyl-GAR
                      N-Formylglycinamide ribonucleotide
                      N2-Formyl-N1-(5-phospho-D-ribosyl)glycinamide

8. C04640 compound   5'-Phosphoribosylformylglycinamidine
                      5'-Phosphoribosyl-N-formylglycinamidine
                      1-(5'-Phosphoribosyl)-N-formylglycinamidine
                      2-(Formamido)-N1-(5'-phosphoribosyl)acetamidine
                      2-(Formamido)-N1-(5-phospho-D-ribosyl)acetamidine

9. C04302 compound   N-(5-Phosphoribosyl)anthranilic acid
                      N-(5-Phospho-D-ribosyl)anthranilate
                      N-(5-Phospho-beta-D-ribosyl)anthranilate

10. C04437 compound   1-(5-Phosphoribosyl)imidazole-4-acetate

11. C04677 compound   5'-Phosphoribosyl-5-amino-4-imidazolecarboxamide
                      5-Phosphoribosyl-4-carbamoyl-5-aminoimidazole
                      1-(5'-Phosphoribosyl)-5-amino-4-imidazolecarboxamide
                      AICAR
                      5-Aminoimidazole-4-carboxamide ribotide
                      5'-Phospho-ribosyl-5-amino-4-imidazole carboxamide
                      5-Amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide

12. C04734 compound   5'-Phosphoribosyl-5-formamido-4-imidazolecarboxamide
                      1-(5'-Phosphoribosyl)-5-formamido-4-imidazolecarboxamide
                      5-Formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide
                      5-Formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide

13. C04751 compound   5'-Phosphoribosyl-4-carboxy-5-aminoimidazole
                      5'-Phosphoribosyl-5-amino-4-imidazolecarboxylate
                      1-(5'-Phosphoribosyl)-4-carboxy-5-aminoimidazole
                      1-(5'-Phosphoribosyl)-5-amino-4-carboxyimidazole
                      1-(5'-Phosphoribosyl)-5-amino-4-imidazolecarboxylate
                      1-(5-Phospho-D-ribosyl)-5-amino-4-imidazolecarboxylate
                      5-Amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate

14. C04811 compound   1-(5-Phosphoribosyl)-4-(N-succinocarboxamide)-5-aminoimidazole

15. C04823 compound   5'-Phosphoribosyl-4-(N-succinocarboxamide)-5-aminoimidazole
                      1-(5'-Phosphoribosyl)-4-(N-succinocarboxamide)-5-aminoimidazole
                      1-(5'-Phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
                      (S)-2-[5-Amino-1-(5-phospho-D-ribosyl)imidazole-4- carboxamido]succinate

16. C04896 compound   Phosphoribosyl-formimino-AICAR-phosphate
                      1-(5-Phosphoribosyl)-5-[(5- phosphoribosylamino)methylideneamino]imidazole-4-carboxamide
                      N-(5'-Phosphoribosylformimino)-5-amino-1-(5''-phosphoribosyl)-4- imidazolecarboxamide
                      5-(5-Phospho-D-ribosylaminoformimino)-1-(5-phosphoribosyl)- imidazole-4-carboxamide
                      N-(5'-Phospho-D-ribosylformimino)-5-amino-1-(5''-phospho-D-ribosyl)- 4-imidazolecarboxamide

17. C04916 compound   5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5- phosphoribosyl)imidazole-4-carboxamide
                      Phosphoribulosyl-formimino-AICAR-phosphate
                      N-(5'-Phospho-D-1'-ribulosylformimino)-5-amino-1-(5''-phospho-D- ribosyl)-4-imidazolecarboxamide

18. C03838 compound   5'-Phosphoribosylglycinamide
                      GAR
                      Glycinamide ribonucleotide
                      N1-(5-Phospho-D-ribosyl)glycinamide