4-(2-乙氧基-2-氧代亚乙基)哌啶-1-羧酸苄酯

ethyl 2-(3-oxo-1H-2-benzofuran-1-yl)acetate

6-methyl-8H-pyrano<3',2':5,6>benzofuro<3,2-c>pyridin-8-one

ethyl β-(7-hydroxy-6-methylbenzofuro(3,2-c)pyridin-8-yl)-trans-acrylate

2,2,2-trichloro-N-hepta-1,6-dien-3-ylacetamide