Compounds containing a five-membered ring having two side-chains in ortho position to

Official title: Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins {; Analogues or derivatives thereof}

C07C405/00 (Compounds containing a five-membered ring having two side-chains in ortho position to) appears on 2,101 US grants and 291 published applications in this corpus.