1191-99-7
2,3-二氢呋喃
+
603-35-0
三苯基膦
→
~10%
70398-34-4
oxolan-2-yl(triphenyl)phosphanium,chloride
1707-03-5
二苯基磷酸
70398-38-8
2-diphenylphosphoryloxolane