21784-84-9
acetic acid,hex-3-yne-2,5-diol
→
~86%
135778-54-0
(5-acetyloxy-4,4-dibromo-3-oxohexan-2-yl) acetate
3658-77-3
4-羟基-2,5-二甲基-3(2H)呋喃酮