4510-16-1

Prostaglandin F2β (PGF2β) is the 9β-hydroxy stereoisomer of PGF2α. It is much less active than PGF2α in antifertility and bronchoconstrictor activities. PGF2β exhibits bronchodilating activity in guinea pigs and cats and antagonizes the bronchoconstrictor activity of PGF2α.