Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jan Larsen and Klaus Bechgaard and Jon Songstad and Markku Leskelä and Mika Polamo and Muhammed Nour Homsi and Frank K. H. Kuske and Monika Haugg and Nathalie Trabesinger-Rüf and Elmar G. Weinhold,Thiaheterohelicenes. 2. Synthesis of Alkylated Thiaheterohelicenes.,Acta Chemica Scandinavica,0904-213X,Danish Chemical Society,1996,50,,77-82,https://cir.nii.ac.jp/crid/1361699994528704384,https://doi.org/10.3891/acta.chem.scand.50-0077