998-40-3
三丁基膦
+
41055-92-9
1-氯-2-庚酮
→
35563-52-1
1-(tributyl-λ5-phosphanylidene)heptan-2-one
69552-46-1
卡巴环素
55531-21-0
8-(2,2-diethoxyethylsulfanyl)-12-oxoheptadec-10-enenitrile