(15S)-15-Methyl-17-phenyl-18,19,20-trinor-pgf2-alpha 1,9-lactone (15S)-15-Methyl-17-phenyl-18,19,20-trinor-prostaglandin F2-alpha 1,9-lactone 3H-Cyclopent(b)oxecin-2-one, 4,5,8,8a,9,10,11,11a-octahydro-10-hydroxy-9-(3-hydroxy-3-methyl-4-phenyl-1-butenyl)- 62411-09-0 85761-26-8