title: Syntheses of spirocyclic oxindole-butenolides by using three-component cycloadditions of isocyanides, allenoates, and isatins.
authors: Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai, 200444, PR China. lijian@shu.edu.cn
authors: Jian
authors: J
authors: Li
authors: Yuejin
authors: Y
authors: Liu
authors: Chunju
authors: C
authors: Li
authors: Xueshun
authors: X
authors: Jia