pyrazine

2 - methoxy pyrazine 

2 - isobutyl - 3 - methyl pyrazine 

2 - ethyl - 3, 5 (6) - dimethyl py... 

2 - ethyl - 5 - methyl pyrazine 

2, 3 - diethyl - 5 - methyl pyrazi... 

3 - ethyl - 2 - methyl pyrazine 

2, 3 - diethyl pyrazine 

2 - ethyl pyrazine 

2,3,5,6 - tetramethyl pyrazine 

2,3,5 - three methyl pyrazine 

2, 6 - dimethyl pyrazine 

2, 5 - dimethyl pyrazine 

2, 3 - dimethyl pyrazine 

2 - methyl pyrazine 

pyrazine 

2 - methyl - 3 (5 or 6) - ethoxy p... 

2 - methyl - 3 (5 or 6) - in a har... 

2 - methyl sulfonium pyrazine 

2 - methoxy - 3 - ZhongDingJi pyra... 

2 - methoxy - 3 - isobutyl pyrazin... 

2 - methoxy - 3 (5 or 6) - isoprop... 

2 - methyl (ethyl) - (5 or 6) 3 - ... 

2 -- 5 or 6 - methoxy - 3 - methyl... 

2 - methoxy pyrazine 

2 - isobutyl - 3 - methyl pyrazine 

2 - ethyl - 3, 5 (6) - dimethyl py... 

2 - ethyl - 5 - methyl pyrazine 

2, 3 - diethyl - 5 - methyl pyrazi... 

3 - ethyl - 2 - methyl pyrazine 

2, 3 - diethyl pyrazine 

2 - ethyl pyrazine 

2,3,5,6 - tetramethyl pyrazine 

2,3,5 - three methyl pyrazine 

2, 6 - dimethyl pyrazine 

2, 5 - dimethyl pyrazine 

2, 3 - dimethyl pyrazine 

2 - methyl pyrazine 

pyrazine 

3-(Trifluoromethyl)-5,6,7,8-tetrah... 

5-CHLORO-pyrazine-2-CARBOXYLIC ACI... 

3-(Trifluoromethyl)-5,6,7,8-tetrah... 

6-(5-chloropyrid-2yl)-5-hydroxy-7o... 

2,3-Dichloro pyrazine   

2,3-Dimethyl pyrazine  

3-BROMO-5,6,7,8-TETRAHYDRO-IMIDAZO... 

3-methyl-1H-pyrazolo[3,4-b]pyrazin... 

Ethyl 5,6,7,8-tetrahydro[1,2,4]tri... 

5H-Pyrrolo[2,3-b]pyrazine-7-carbox... 

5,6,7,8-tetrahydro-3-(trifluoromet... 

3-chloro-2,5-dimethyl-pyrazine