US PATENT SUBCLASS 536 / 28.7
.~.~.~.~.~ Plural nitrogens in the N-hetero ring (e.g., triazoles, etc.)

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}
18.7  DF  .~.~ Nitrogen containing {13}
22.1  DF  .~.~.~ N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) {12}
28.6  DF  .~.~.~.~ N-glycosides wherein the N is part of a five-membered hetero ring (e.g., selenazole nucleosides, pyrrole nucleosides, etc.) {1}
28.7.~.~.~.~.~ Plural nitrogens in the N-hetero ring (e.g., triazoles, etc.) {1}
28.8  DF  .~.~.~.~.~.~> The N-hetero ring is a 1,3-diazole ring, including hydrogenated (e.g., imidazoles, etc.) {1}

DEFINITION

Classification: 536/28.7

Plural nitrogens in the N-hetero ring (e.g., triazoles, etc.):

(under subclass 28.6) Compounds wherein the N-hetero ring contains plural nitrogens.

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