| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} |
| 564 | DF | .~ Silver compound sensitizer containing {18} |
| 607 | DF | .~.~ Stabilizing or fog inhibiting ingredient containing {6} |
| 613 | | .~.~.~ Heterocyclic compound {1} |
| 614 | DF | .~.~.~.~> Polyhetero atom ring {1} |