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2-methoxy-3-methyl pyrazine
perf. 甲基甲氧基吡嗪; 2-甲氧基-3-甲基毗嗪; 2-甲氧基-3-甲基吡嗪
2-methoxy-3methyl pyrazine
chem. 2-甲氧基-3-甲基吡嗪