| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 75 | DF | .~ Phosphorus containing other than solely as part of an inorganic ion in an addition salt DOAI {22} |
| 143 | DF | .~.~ Ester of (HX)P=X(XH)(XH) (X is chalcogen) (e.g., phosphate, etc.) {2} |
| 148 | | .~.~.~ Diester |