Comment highlights importance of open data licensing in ChemSpider, suggesting further reading.
Not long after I posted my view on things, John posted his reply on the ChemSpider/OpenData discussion. His comment was merely to illustrate an internal advice to some organization, which got accidentally leaked. Anyway, a must read, with two good links to further reading on open data licensing.
No takes yet. Share an insight, caveat, or question.
Egon Willighagen (2008) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: