4385-35-7
3-异色酮
→
4026-23-7
bicyclo[4.2.0]octa-1,3,5,7-tetraene
339221-95-3
7-methylidene-cyclohepta-3,5-dien-yne
126543-57-5
2-(trimethylsilyl)benzocyclobutenyl-1 mesylate