| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 400 | DF | .~ Carboxylic acids and salts thereof {14} |
| 405 | DF | .~.~ Aromatic {13} |
| 426 | | .~.~.~ Sulfur {4} |
| 427 | DF | .~.~.~.~> Polycyclo ring system {1} |
| 429 | DF | .~.~.~.~> Sulfoxy {1} |
| 431 | DF | .~.~.~.~> Carboxyl, or salt thereof, in side chain having sulfur bonded directly to a ring |
| 432 | DF | .~.~.~.~> Carboxyl, or salt thereof, bonded directly to a ring |