20571-15-7
Spiro[2.3]hexan-4-one
+
19493-09-5
methylidene triphenyl phosphorane
→
~92%
137072-99-2
6-methylidenespiro[2.3]hexane
21426-37-9
Dispiro[2.0.2.2]octane
1120-56-5
亚甲基环丁烷
1207344-10-2
4-cyclobutylidenespiro[2,3]hexane
1207344-09-9
4-(2-(1-(prop-1-en-2-yl)cyclopropyl)ethylidene)spiro[2.3]hexane
6708-14-1
Cyclobutane, cyclobutylidene-