title: Reversible [7]-thiahelicene formation using a 1,2-dithienylcyclopentene photochrome.
authors.affiliation: Department of Chemistry, University of Alberta Edmonton, AB, Canada T6G 2G2.
authors.forename: T B
authors.initials: TB
authors.lastname: Norsten
authors.forename: A
authors.initials: A
authors.lastname: Peters
authors.forename: R
authors.initials: R
authors.lastname: McDonald
authors.forename: M
authors.initials: M
authors.lastname: Wang
authors.forename: N R
authors.initials: NR
authors.lastname: Branda