title: Natural and synthetic chromenes, fused chromenes, and versatility of dihydrobenzo[h]chromenes in organic synthesis.
authors.affiliation: Department of Chemistry, University of Delhi , North Campus, Delhi-110007, India.
authors.forename: Ramendra
authors.initials: R
authors.lastname: Pratap
authors.forename: Vishnu Ji
authors.initials: VJ
authors.lastname: Ram