US PATENT SUBCLASS 536 / 17.3
.~.~.~.~ Nitrogen containing hetero ring

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
4.1  DF  .~.~ O- or S- Glycosides {29}
17.2  DF  .~.~.~ Nitrogen containing {4}
17.3.~.~.~.~ Nitrogen containing hetero ring {1}
17.4  DF  .~.~.~.~.~> Nitrogen in aglycone moiety

DEFINITION

Classification: 536/17.3

Nitrogen containing hetero ring:

(under subclass 17.2) Compounds which contain nitrogen containing heterocyclic ring.