933-77-7
2,7-dibromotropone
+
103896-55-5
N-(1-Phenylvinylimino)triphenylphosphorane
→
~32%
121505-49-5
8-bromo-2-phenylcyclohepta[b]pyrrole
791-28-6
三苯基氧化膦
16717-64-9
1-azidoethenylbenzene