1. C02967 compound   DNA containing 5-methylcytosine
                      DNA 5-methylcytosine

2. C03446 compound   tRNA containing thymine

3. C04152 compound   rRNA containing N1-methylguanine

4. C04153 compound   rRNA containing N2-methylguanine

5. C04154 compound   rRNA containing N6-methyladenine

6. C04155 compound   tRNA containing 5-methylcytosine

7. C04156 compound   tRNA containing N1-methyladenine

8. C04157 compound   tRNA containing N1-methylguanine

9. C04158 compound   tRNA containing N2-methylguanine

10. C04159 compound   tRNA containing N6-methyladenine

11. C04160 compound   tRNA containing N7-methylguanine

12. C04161 compound   tRNA containing a thionucleotide

13. C04250 compound   DNA containing 6-O-methylguanine

14. C04432 compound   tRNA containing 6-isopentenyladenosine

15. C11475 compound   DNA containing guanine

16. C04249 compound   DNA (containing Holliday junction)

17. C04545 compound   tRNA(Tyr) containing 2'-O-methylguanosine

18. C04728 compound   tRNA containing 5-methylaminomethyl-2-thiouridylate

19. C11478 compound   tRNA containing 5-aminomethyl-2-thiouridine

20. C04725 compound   Oligosaccharide containing 6-methyl-D-glucose units

21. C04779 compound   rRNA containing a single residue of 2'-O-methyladenosine

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

23. C04777 compound   High-mannose glycopeptide containing -{Man(GlcNAc)2}Asn-

24. C04833 compound   m7G(5')pppm6Am (mRNA containing an N6,2'-O-dimethyladenosine cap)