(2-methyl-3-oxocyclohexen-1-yl) trifluoromethanesulfonate

正丁基锂

3-bromo-2-methylcyclohex-2-en-1-one

2-甲基-1,3-环己二酮

6-甲基-7-氧杂双环[4.1.0]庚烷-2-酮