@article{
  author = {},
  title = {An efficient synthesis of dihydroxy-tetrahydroindeno[2,1-b]pyrroles from ninhydrin, methyl acetoacetate, and primary amines},
  journal = {Iranian Journal of Organic Chemistry},
  year = {2012},
  volume = {4},
  number = {4},
  pages = {0-0},
  doi = {}
}