2β-Acetyl-3α-methyl-2,3-dihydrobenzofuran
2β-Acetyl-3α-methyl-2,3-dihydrobenzofuran ??
??
2β-Acetyl-3α-methyl-2,3-dihydrobenzofuran C??? ??, ??, ??
2β-Acetyl-3α-methyl-2,3-dihydrobenzofuran ?? ?? ? ???
???
?? ??
2β-Acetyl-3α-methyl-2,3-dihydrobenzofuran ?? ??
???( 0)?? ??