1-(β-Oxo-α,α-dimethylphenethyloxy)-4-methylpyridinium
1-(β-Oxo-α,α-dimethylphenethyloxy)-4-methylpyridinium ??
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1-(β-Oxo-α,α-dimethylphenethyloxy)-4-methylpyridinium C??? ??, ??, ??
1-(β-Oxo-α,α-dimethylphenethyloxy)-4-methylpyridinium ?? ?? ? ???
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1-(β-Oxo-α,α-dimethylphenethyloxy)-4-methylpyridinium ?? ??
???( 0)?? ??
