126-99-8
2-氯-1.3-丁二烯
→
3642-10-2
octa-1,2,6,7-tetraene
25790-55-0
4-chlorobuta-1,2-diene
689-97-4
乙烯基乙炔
32264-71-4
1,2-bis(2,2-dibromocyclopropyl)ethane