15-Deoxy-16-hydroxy-16-vinyl-PGE2 15-Deoxy-16-hydroxy-16-vinylprostaglandin E2 68666-91-1 99795-33-2 CL 115,129 Dhv-PGE2 Prosta-5,13-dien-1-oic acid, 16-ethenyl-11,16-dihydroxy-9-oxo-, (5Z,11alpha,13E)-