445389-46-8
3-bromo-2-(2-propyn-1-yloxy)tetrahydrofuran
→
~78%
109789-17-5
(3aR,6aS)-4-methylidene-2,3,3a,6a-tetrahydrofuro[2,3-b]furan
109789-15-3
(2R,3S)-3-溴-2-(2-丙炔-1-氧基)四氢呋喃
~62%