2-甲基丙烯醛 、
(S)-2,5-二氢-3,6-二甲氧基-2-异丙基吡嗪 生成 (2R,5S,1'S)-2,5-dihydro-2-(1-hydroxy-2-methyl-2-propenyl)-5-isopropyl-3,6-dimethoxypyrazine 、
(2R,5S,1'S)-2,5-dihydro-2-(1-hydroxy-2-methyl-2-propenyl)-5-isopropyl-3,6-dimethoxypyrazine 、 (2R,5S,1'S)-2,5-dihydro-2-(1-hydroxy-2-methyl-2-propenyl)-5-isopropyl-3,6-dimethoxypyrazine