US PATENT SUBCLASS 568 / 379
.~.~.~ Five-membered alicyclic ring containing

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
303  DF  .~.~ Ketones {10}
379.~.~.~ Five-membered alicyclic ring containing {1}
380  DF  .~.~.~.~> Halogen containing

DEFINITION

Classification: 568/379

(under subclass 303) Compounds which include a five-membered alicyclic ring.