2,3-二甲基奎札因

2,3-bis(bromomethyl)-1,4-dihydroxyanthracene-9,10-dione

2,3-二甲基氢醌

2-(buta-1,3-dien-2-yl)-2-methyl-1,3-dithiolane

2-(2-methyl-1,3-dithiolan-2-yl)acrylaldehyde