| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 125 | DF | .~ Sulfinic or sulfenic acids or salts thereof (i.e., compounds containing the sulfinate group, -S(=O)O-, or the sulfenate group, -S-O-, wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or group IIA light metal or to substituted or unsubstituted ammonium) {1} |
| 126 | | .~.~ Nitrogen attached indirectly to a sulfinate group by acyclic nonionic bonding |