698-07-7
5-[bis(methylsulfanyl)methylidene]cyclopenta-1,3-diene
+
124-41-4
甲醇钠
→
79402-08-7
5-(dimethoxymethylidene)cyclopenta-1,3-diene
2175-91-9
6,6-二甲基-5-亚甲基-1,3-环戊二烯