US PATENT SUBCLASS 504 / 226
.~.~.~.~.~ Nitrogen or -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the oxazine ring

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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}
223  DF  .~.~.~ Hetero ring is six-membered including nitrogen and oxygen {1}
224  DF  .~.~.~.~ 1,4-oxazines (including hydrogenated) {2}
226.~.~.~.~.~ Nitrogen or -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the oxazine ring

DEFINITION

Classification: 504/226

Nitrogen or -C(=X)-, wherein X is chalogen, bonded directly to ring nitrogen of the oxazine ring:

(under subclass 224) Compositions in which nitrogen or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to ring nitrogen of the oxazine ring.