(under subclass 9.4) Subject matter wherein the agent contains or is a heterocyclic compound.
(1) Note. A heterocyclic compound is a compound containing at least one hetero ring which is a ring having carbon and at least one atom from the group consisting of nitrogen, oxygen, sulfur, selenium and tellurium as ring members; and contains
no other element as a ring member.
(2) Note. An example of a compound provided for herein is: [figure]
