123-31-9
1,4-苯二酚
→
395649-68-0
1,4-bis(4-bromobut-2-ynoxy)benzene
33313-83-6
1,4-Di-(butin-2-ol-4-oxy)-benzol
395649-90-8
(1,4-phenylenebis(oxy))bis(but-2-yne-4,1-diyl) dimethanesulfonate