460-73-1
1,1,1,3,3-五氟丙烷
+
98-88-4
苯甲酰氯
→
~58%
85694-32-2
4,4,4-trifluoro-1-phenylbut-2-yn-1-one
20913-05-7
(Phenylcarbonylmethylene)triphenylphosphorane
149846-93-5
326-06-7
苯甲酰三氟丙酮
58518-08-4
1,1,1-trifluoro-4-phenylbut-3-yn-2-one