196597-79-2
(2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile
→
~31%
221530-40-1
2-(1,6-Dihydro-2H-indeno[5,4-b]furan-8-yl)acetamide
196597-78-1
1,2,6,7-四氢-8H-茚并[5,4-b]呋喃-8-酮