US PATENT SUBCLASS 504 / 252
.~.~.~.~.~ The additional hetero ring is five-membered including nitrogen

Current as of: June, 1999
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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
209  DF  .~.~ Hetero ring containing {11}
244  DF  .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6}
251  DF  .~.~.~.~ Additional hetero ring containing {1}
252.~.~.~.~.~ The additional hetero ring is five-membered including nitrogen {1}
253  DF  .~.~.~.~.~.~> Plural ring nitrogens in the additional hetero ring

DEFINITION

Classification: 504/252

The additional hetero ring is five-membered including nitrogen:

(under subclass 251) Compositions wherein the hetero ring is five-membered and has nitrogen as a ring member.