(R)-2,5-甲氧基-3-異丙基-3,6-二羥基吡嗪;(R)-2,5-二甲氧基-3-異丙基-3,6-二氫吡嗪;
(2R)-3,6-dimethoxy-2-propan-2-yl-2,5-dihydropyrazine;(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine;
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