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This article was the subject of a Wiki Education Foundation-supported course assignment, between 1 September 2021 and 6 December 2021. Further details are available on the course page. Student editor(s): Chemhunter.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT ( talk) 21:34, 17 January 2022 (UTC) reply

PubChem states the chemical formula as C₇₄H₉₉N₂₁O₁₆S. After importing the 2D structure in Avogadro (program) and adapt the molecule for pH = 7.4 I get C₇₄H₁₀₀N₂₁O₁₆S⁺. Who can shine a light on this?

Simon de Danser ( talk) 04:15, 23 July 2017 (UTC) reply