1.  2-PhenylIndole

948-65-2

2. 4-Bromoindole

52488-36-5

3. 4-Fluoroindole

387-43-9

4. 4-Nitroindole

4769-97-5

5. 4-Aminoindole

5192-23-4

6. 4-hydroxyindole

2380-94-1

7. 4-Chloroindole

25235-85-2

8. 4-Benzyloxyindole

20289-26-3

9. 4-Methoxyindole

4837-90-5

10. 5-Aminoindole

5192-03-0

11. N-Boc-5-Aminoindole

166104-20-7

12. 5-Fluoroindole

399-52-0

13. 5-Fluoroindole-2-carboxylic acid

399-76-8

14. 5-Methylindole

614-96-0

15. 5-Ethoxyindole

10501-17-4

16. 5-Methoxyindole

1006-94-6

17. 5-Chloroindole-2(3H)-one

17630-75-0

18. 5-Chloroindole

17422-32-1

19. 5-Hydroxyindole

1953-54-4

20. 5-Hydroxyindole-2-carboxylic acid

21598-06-1

21. 5-Cyanoindole

15861-24-2

22. 5-Nitroindole

6146-52-7

23. 5-Bromoindole

10075-50-0

24. Indole-5-carboxaldehyde

1196-69-6

25. Indole-5-carboxylic acid

1670-81-1

26. 6-Aminoindole

5318-27-4

27. N-Boc-6-Aminoindole

219508-62-0

28. 6-Fluoroindole-2-carboxylic acid

3093-97-8

29. 6-Fluoroindole

399-51-9

30. 6-Bromoindole

52415-29-9

31. 6-Bromoindole-2-carboxylic acid

16732-65-3

32. 6-Methylindole

3420-02-8

33. 6-Methoxyindole

3189-13-7

34. 6-Chloroindole

17422-33-2

35. 6-Chloroindole-2(3H)-one

56341-37-8

36. 6-Chloroindole-2-carboxylic acid

16732-05-5

37. 6-Hydroxyindole

2380-86-1

38. 6-Nitroindole

4769-96-4

39. 7-Nitroindole

6960-42-5

40. 7-Cyanoindole

96631-87-7

41. 7-Hydroxyindole

2380-84-9

42.  7-Bromoindole

51417-51-7

43. 7-Chloroindole

53924-05-3

44. 4,6-Dicloroindole-2-carboxylic acid

101861-63-6

45. 5,7-Dichloroindole

2380-86-1

46. Indole-2-carboxylic acid

1477-50-5

47. Indole-3-carboxylic acid

771-50-6

48. Indole-6-carboxylic acid

1670-82-2

49. Methyl indole-6-carboxylic acid

50820-65-0

50. 6-Mercaptopurine Hydrate

6112-76-1

51. 2-Amino-6-chloropurine

10310-21-1

52. 4-Azaindole

272-49-1

53. 5-Azaindole

271-34-1

54. 6-Azaindole

271-29-4

55. 7-Azaindole

271-63-6