Synonyms: (+)-Cloprostenol Sodium (Subject to Patent Free);(+/-)-Cloprostenol;Cloprostenol sodium;sodium (5Z)-7-{(1R,2R,3R,5S)-2-[(1E,3R)-4-(3-chlorophenoxy)-3-hydroxybut-1-en-1-yl]-3,5-dihydroxycyclopentyl}hept-5-enoate;(5Z)-7-[(1R,2R,3R,5S)-2-[(1E,3R)-4-(3-Chlorophenoxy)-3-hydroxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-5-heptenoic acid sodium salt