| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 400 | DF | .~ Carboxylic acids and salts thereof {14} |
| 405 | DF | .~.~ Aromatic {13} |
| 465 |  | .~.~.~ Oxy {7} |
| 466 | DF | .~.~.~.~> Polycyclo ring system {1} |
| 468 | DF | .~.~.~.~> Plural rings bonded directly to the same carbon |
| 469 | DF | .~.~.~.~> Rings bonded directly to each other |
| 470 | DF | .~.~.~.~> Oxy, not bonded directly to a ring, in same side chain as carboxyl, or salt thereof |
| 471 | DF | .~.~.~.~> Oxy, bonded directly to a ring, in same side chain as carboxyl, or salt thereof {1} |
| 473 | DF | .~.~.~.~> Carboxyl, or salt thereof, bonded directly to a ring {2} |
| 478 | DF | .~.~.~.~> Phenolic hydroxy or metallate |