1120-71-4
1,3-丙烷磺内酯
+
119-61-9
二苯甲酮
→
75732-50-2
(2,2-dioxooxathiolan-3-yl)-diphenylmethanol
887-15-0
2,2-二苯基四氢呋喃
4286-85-5
1,1'-(but-1-ene-4,4-diyl)dibenzene