(+)-Methyl (2-((2R,3aS,4R,5R,6aS)-octahydro-5-hydroxy-4-((1E,3S,5S)-3-hydroxy-5-methyl-1-nonenyl)-2-pentalenyl)ethoxy)acetate 139403-31-9 Acetic acid, (2-(octahydro-5-hydroxy-4-(3-hydroxy-5-methyl-1-nonenyl)-2-pentalenyl)ethoxy)-, methyl ester, (2R-(2-alpha,3a-alpha,4-alpha(1E,3S*,5S*),5-beta,6a-alpha))- Pimilprost Pimilprost [INN] SM 10902