Contains P(o) Group As Ring Atoms And Wherein The P Atom Is Directly Bonded To Extracyclic S (9/6571a; 9/6571a1) Patents (Class 987/46)

Two or more rings contain at least one p-o bond and wherein at least two p atoms in the two rings are bonded to s (includes spiro) (9/6571a6) (Class 987/47)

P(o) containing ring is part of a condensed or bridged ring carbocyclic system (9/6571a4) (Class 987/48)

There are no patents to show for this class.