US PATENT SUBCLASS 534 / 560
.~.~ Hetero ring containing

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}
558  DF  .~ Diazo or diazonium (e.g., -N=N-C, etc.) {7}
560.~.~ Hetero ring containing

DEFINITION

Classification: 534/560

(under subclass 558) Compounds which contain a hetero ring.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]