<prompt> All the following regarding prostaglandin analogues are true exceptAlprostadil- Erectile dysfunctionCarboprost : Peptic ulcerIloprost: Pulmonary hypeensionTravoprost: Glaucoma  <response>: Carboprost is PGF2 alpha analog which is primarily a vasoconstrictor.Ref: KD Tripathi, 7th ed. Pg 190 