| 564 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 1 | DF | .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37} |
| 74 | DF | .~.~ Thiocarboxamides (i.e., compounds containing -C(=S)-HNH, wherein substitution may be made for hydrogen only) {3} |
| 75 | | .~.~.~ Sulfur bonded directly to the thiocarbonyl {1} |
| 76 | DF | .~.~.~.~> Thiuram sulfides (e.g., HNH-C(=S)-S-S-C(=S)-HN-alkyl, etc.) |