124765-77-1 14667-55-1 2,3,5-Trimethyl pyrazine 2,3,5-Trimethyl pyrazine (natural) 2,3,5-Trimethylpyrazine 2,3,6-Trimethylpyrazine 5-23-05-00419 (Beilstein Handbook Reference) AI3-34442 BRN 0002423 CCRIS 2932 EINECS 238-712-0 FEMA No. 3244 Pyrazine, trimethyl- TRIMETHYLPYRAZINE