77721-25-6
3,4-diaza-tricyclo[4.2.1.02,5]non-7-ene
→
23979-29-5
3,4-Diazatricyclo[4.2.1.02,5]nona-3,7-diene
542-92-7
环戊二烯
78500-26-2
(4aR,5R,8S,8aS)-2-methyl-4a,5,8,8a-tetrahydro-1H-5,8-methanobenzo[3,4][1,2]diazeto[1,2-a][1,2,4]triazole-1,3(2H)-dione