13360-64-0 2-ETHYL-5-METHYLPYRAZINE 2-Ethyl-5-methyl pyrazine 2-Methyl-5-ethylpyrazine 5-23-05-00419 (Beilstein Handbook Reference) AI3-34443 BRN 0956719 EINECS 236-416-6 FEMA No. 3154 Pyrazine, 2-ethyl-5-methyl-