Pyridine series

6-bromothiazolo[4,5-b]pyrazin-

Methyl-6-bromopyrazine-2-carbo

N,6-diMethylpyrazin-2-aMine

2-Ethyl-5-fluorobenzoxazole

Ethyl2,5-dibroMooxazole-4-carb

5-Butyloxazolidine-2,4-dione

4-Oxazolidinecarboxylicacid

4-Oxazolemethanamine, hydrochl

5-Isoxazolecarboxylicacid,ethy

6-iodobenzo[d]thiazole

Benzothiazole, 2,4,5-trimethyl

2,4,7-Trichlorobenzothiazole