US PATENT SUBCLASS 534 / 791
.~.~.~.~ Carbocyclic ring bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring

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

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
751  DF  .~.~ Hetero ring containing {5}
753  DF  .~.~.~ Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos {11}
791.~.~.~.~ Carbocyclic ring bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring {1}
792  DF  .~.~.~.~.~> Pyrazole containing (including hydrogenated) {1}

DEFINITION

Classification: 534/791

(under subclass 753) Compounds in which a carbocyclic ring is bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring.