| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 30 | DF | .~ Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium) {15} |
| 45 | DF | .~.~ Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.) {11} |
| 58 |  | .~.~.~ Nitrogen attached indirectly to the sulfonate group by nonionic bonding {7} |
| 59 | DF | .~.~.~.~> Plural benzene rings bonded directly to each other or to the same acyclic carbon |
| 60 | DF | .~.~.~.~> Stilbene containing |
| 61 | DF | .~.~.~.~> Plural benzene rings bonded directly to the same nitrogen {3} |
| 65 | DF | .~.~.~.~> Sulfonyl bonded directly to the nitrogen |
| 66 | DF | .~.~.~.~> The nitrogen is attached indirectly to a benzene ring by acyclic nonionic bonding {1} |
| 68 | DF | .~.~.~.~> Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group {3} |
| 73 | DF | .~.~.~.~> Nitro or halogen bonded directly to a benzene ring |