2-Chloropyrazine	14508-49-7
2-Bromopyrazine	56423-63-3
2-Aminopyrazine	5049-61-6
2-Cyanopyrazine	19847-12-2
3-amino-2-Pyrazinecarboxylic acid	5424-01-1
3-Aminopyrazine-2-carboxylic acid methyl ester	16298-03-6
5-chloro-2-Pyrazinecarboxylic acid	36070-80-1
Methyl 5-chloropyrazine-2-carboxylate	33332-25-1
2-Amino-5-bromopyrazine	59489-71-3
2-amino-6-chloropyrazine	33332-28-4
2,6-Dichloropyrazine	4774-14-5
4-Azaindole	272-49-1
5-Azaindole	271-34-1
6-Azaindole	271-29-4
7-Azaindole	271-63-6
2-Phenylindole	948-65-2
4-Bromoindole	52488-36-5
5-Fluoroindole	399-52-0
5-Methoxyindole	1006-94-6
1H-Indole-4-carboxaldehyde	1074-86-8
5-Chloroindole	17422-32-1
5-Nitroindole	6146-52-7
5-Bromoindole	10075-50-0
Indole-5-carboxylic acid	1670-81-1
6-Fluoroindole	399-51-9
6-Bromoindole	52415-29-9
1H-Indole-4-carboxylic acid methyl ester	39830-66-5
6-Hydroxyindole	2380-86-1
1H-Indole-4-carboxylic acid	2124-55-2
6-Chloropurine	87-42-3
6-Mercaptopurine	50-44-2
2,6-Dichloropurine	5451-40-1
2,6-Diaminopurine	1904-98-9
2,6-Dihydropurine	69-89-6
2-Amino-6-Chloropurine	10310-21-1
2-Amino-6-hydroxypurine	73-40-5
Tetrahydro-2H-pyran-4-ol	2081-44-9
Tetrahydro-4H-Pyran-4-one	29943-42-8
Tetrahydro-2H-pyran-4-carboxylic acid	5337-03-1
Tetrahydropyran-4-carboxaldehyde	50675-18-8
Tetrahydropyran-4-methanol	14774-37-9
2H-Pyran-4-carboxylic acid tetrahydro methyl ester	110238-91-0
2H-Pyran-4-carboxylic acid tetrahydro ethyl ester	110238-91-1
Tetrahydro-4H-thiopyran-4-one	1072-72-6
4-Chlorotetrahydro-2H-pyran	1768-64-5
4-(2-Aminoethyl)tetrahydropyran	65412-03-5
4-Aminotetrahydro-2H-pyran	38041-19-9
3,6-Dichloropyridazine	141-30-0
Isoxazole	288-14-2
2-Phenyl-2-oxazoline	7127-19-7
2-Amino-1,3-oxazole	4570-45-0
3,5-Dimethylisoxazole	300-87-8
4-Bromo-3,5-dimethylisoxazole	10558-25-5
4-Iodo-3,5-dimethylisoxazole	10557-85-4