Definition: A prostaglandin that is a powerful vasodilator and inhibits platelet aggregation. It is biosynthesized enzymatically from PROSTAGLANDIN ENDOPEROXIDES in human vascular tissue. The sodium salt has been also used to treat primary pulmonary hypertension (HYPERTENSION, PULMONARY).
/chem syn permitted: do not convert to PROSTAGLANDINS, SYNTHETIC; DF: PGX
piriprost [ 6,9-deepoxy-6,9-(phenylimino)-delta (6,8)pgI1,6,9-desepoxy-6,9-(phenylimino)-delta-(6,8)prostaglandin I1,U 60,257,U 60257,U 60257B,U-60,257,U-60257 ] structure given in first source