1. C13240 compound   Ether
                      Anesthetic ether
                      Diethyl ether

2. C11044 compound   2,2',4,4',5-Pentachlorodiphenyl ether

3. C11144 compound   Dimethyl ether
                      Methoxymethane

4. C01403 compound   Methyl phenyl ether
                      Phenol methyl ether
                      Anisole
                      Methoxybenzene

5. C01502 compound   Catechol monomethyl ether
                      Creodon
                      Guaiacol
                      o-Methoxyphenol

6. C03575 compound   2-Iodophenol methyl ether

7. C09471 compound   Phloretin 4'-methyl ether
                      Asebogenin

8. C09695 compound   Lacinilene C 7-methyl ether

9. C09756 compound   Eriodictyol 3'-methyl ether
                      Homoeriodictyol

10. C09831 compound   Sigmoidin B 3'-methyl ether
                      5'-Prenylhomoeriodictyol

11. C09833 compound   Naringenin 7-methyl ether
                      Sakuranetin

12. C10019 compound   Apigenin dimethylether
                      Apigenin 7,4'-dimethyl ether

13. C10021 compound   Quercetagetin 3,6-dimethyl ether
                      Axillarin

14. C10022 compound   Quercetin 5-methyl ether
                      Azaleatin

15. C10024 compound   Baicalein 5,6,7-trimethyl ether

16. C10029 compound   Chrysin 5,7-dimethyl ether
                      5,7-Dimethoxyflavone

17. C10030 compound   Quercetagetin 3,6,7,3'-tetramethyl ether
                      Chrysosplenetin
                      Chrysosplenetin B

18. C10031 compound   Quercetagetin 3,7,3'-trimethyl ether
                      Chrysosplenol C

19. C10038 compound   Luteolin 4'-methyl ether
                      Diosmetin

20. C10045 compound   Galangin 3,5,7-trimethyl ether

21. C10046 compound   Apigenin 7-methyl ether
                      Genkwanin

22. C10048 compound   Amentoflavone 7,4'-dimethyl ether
                      Ginkgetin

23. C10058 compound   Scutellarein 6-methyl ether
                      Dinatin
                      Hispidulin

24. C10084 compound   Quercetin 3'-methyl ether
                      Isorhamnetin
                      3-Methylquercetin

25. C10098 compound   Kaempferol 4'-methyl ether
                      Kaempferide

26. C10117 compound   Quercetin 3,7,3'-trimethyl ether
                      Pachypodol

27. C10118 compound   Quercetagetin 6-methyl ether
                      Patuletin

28. C10176 compound   Quercetin 7-methyl ether
                      Rhamnetin

29. C10185 compound   Herbacetin 8-methyl ether
                      Sexangularetin

30. C10188 compound   Quercetin 4'-methyl ether
                      Tamarixetin

31. C10189 compound   Herbacetin 7,8,4'-trimethyl ether
                      Tambulin

32. C10197 compound   Norwogonin 8-methyl ether
                      Wogonin

33. C10276 compound   Pinosylvin methyl ether
                      5-Methoxy-3-stilbenol

34. C10291 compound   Alizarin 2-methyl ether
                      1-Hydroxy-2-methoxyanthraquinone

35. C10397 compound   Purpurin 1-methyl ether

36. C10454 compound   Eugenol methyl ether
                      O-Methyleugenol

37. C10621 compound   Gomisin L1 methyl ether
                      Rubschisandrin
                      (-)-gamma-Schizandrin

38. C10787 compound   Pyrogallol 1,3-dimethyl ether
                      2,6-Dimethoxyphenol

39. C11063 compound   2,4,6-Trichlorophenyl 4-nitrophenyl ether
                      Chlornitrofen
                      MC-338

40. C13155 compound   Pantothenyl ethylether
                      Panthenyl ethyl ether

41. C13858 compound   Glycerol octadecyl ether
                      Batyl alcohol
                      1-O-Octadecylglycerol

42. C13859 compound   Glycerol hexadecyl ether
                      Chimyl alcohol
                      1-O-Hexadecylglycerol

43. C03715 compound   Dihydroxyacetone phosphate alkyl ether
                      O-Alkylglycerone phosphate
                      Alkyl-glycerone 3-phosphate

44. C10193 compound   Tricetin 3',5'-di-methyl ether
                      Tricin

45. C10370 compound   Lucidin omega-methyl ether
                      2-(Methoxymethyl)-1,3-dihydroxyanthraquinone

46. C10730 compound   beta-Peltatin A methyl ether

47. C11344 compound   Methyl tert-butyl ether
                      tert-Butyl methyl ether

48. C13493 compound   Nonaethylene glycol monododecyl ether
                      Polidocanol