Structure is incorrect

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All stereocenters in this structure appear to be inverted relative to what the name suggests--ChemSpiderMan (talk) 05:32, 29 May 2008 (UTC)Reply

Apparently, the PubChem record I used as a source was faulty. I've uploaded a new version in prostaglandin orientation with the correct stereochemistry. Fvasconcellos (t·c) 14:11, 29 May 2008 (UTC)Reply

We should mention its significant cost

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[http://www.medpagetoday.com/Cardiology/Hypertension/55533?xid=nl_mpt_cardioreport_2016-01-06 Projected Uptravi Cost: $160-170K a Year But new PAH drug is still cheaper than some alternatives] implies Tyvaso costs over $160,000 per annum - Should surely be alluded to somehow (with a better source) ? doi:10.1185/030079905X75104. PMID 16368052. (in further reading) may be such but I dont have full access. - Rod57 (talk) 03:44, 7 January 2016 (UTC)Reply