5689-12-3
1,1,3,4-四甲基-2-茚酮
→
~1%
66042-30-6
5,6-di(propan-2-ylidene)cyclohexa-1,3-diene
+
5557-93-7
2-(1-甲基乙基)-1-(1-甲基乙烯基)苯