118528-65-7
4,7,7,4',7',7'-hexamethyl-[2,2']binorbornylidene-3,3'-dione
→
25611-66-9
4,7,7,4',7',7'-hexamethyl-[2,2']binorbornyl-3,3'-dione
76-22-2
樟脑
6627-72-1
龙脑