108137-65-1
tetrahydro-1,2,3,4 diphenyl-2,3 benzoyl-5 pyrazine
108137-64-0
tetrahydro-1,2,3,4 diphenyl-2,3 dibenzoyl-1,4 pyrazine
7466-71-9
1-ethylpyrazin-1-ium,iodide
7477-71-6
1-phenyl-2-pyrazin-1-ium-1-ylethanone,bromide
86461-74-7
(4-methoxyphenyl)-pyrazin-2-ylmethanone

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