1. C00046 compound   RNA
                      Ribonucleic acid

2. C00066 compound   tRNA
                      transfer RNA

3. C00240 compound   rRNA
                      Ribosomal RNA

4. C00549 compound   RNA (poly(U))

5. C00895 compound   RNA (poly(A))

6. C00960 compound   RNA 5'-phosphate

7. C02031 compound   G(5')pppR-RNA

8. C02072 compound   RNA (poly(C))

9. C02073 compound   RNA(circular)

10. C02339 compound   m7G(5')pppR-RNA

11. C02447 compound   O-Methylated RNA

12. C03959 compound   [RNA polymerase]
                      [DNA-directed RNA polymerase]

13. C03638 compound   RNA 3'-terminal-phosphate

14. C04117 compound   5'-Phospho-RNA 3'-mononucleotide

15. C04239 compound   5'-Dephospho-RNA 3'-mononucleotide

16. C04312 compound   RNA terminal-2',3'-cyclic-phosphate

17. C04395 compound   Phospho-[DNA-directed RNA polymerase]

18. C04802 compound   m7G(5')pppRm-RNA (mRNA containing a 2'-O-methylpurine cap)