15s prostaglandin e2, 5z 11alpha 13e 15s 11 15 dihydroxy 9 oxoprosta 5 13 dien 1 oic acid, 5z 13e 15s 11alpha 15 dihydroxy 9 oxoprost 13 enoate
For the termination of pregnancy during the second trimester (from the 12th through the 20th gestational week as calculated from the first day of the last normal menstrual period),...