90086-62-7
→
90002-77-0
3-chloro-1,2,3-trimethyl-4-methylidenecyclobutene
1194-30-5
3,4-二氯-1,2,3,4-四甲基环丁烯
4249-10-9
1,2,3,4-四甲基-1,3-环戊二烯
35418-79-2
Cyclobutene, 1,2,3-trimethyl-4-methylene-