PGE3

PROSTAGLANDIN E3

9-OXO-11ALPHA,15S-DIHYDROXY-PROSTA-5Z,13E,17Z-TRIEN-1-OIC ACID

(5Z,13E,15S,17Z)-11α,15-Dihydroxy-9-oxoprosta-5,13,17-trien-1-oic acid

(5Z,11a,13E,15S,17Z) 11,15-dihydroxy-9-oxo-prosta-5,13,17-trien-1-oic acid