| 536 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | 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} |
| 26.1 | DF | .~.~.~.~ Phosphorus containing N-glycoside wherein the N is part of an N-hetero ring {9} |
| 26.7 | DF | .~.~.~.~.~ The N-hetero ring is part of a bicyclic ring system {3} |
| 26.71 | DF | .~.~.~.~.~.~ Preparing purine nucleotides {1} |
| 26.72 |  | .~.~.~.~.~.~.~ Guanosine nucleotide preparation |