| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} |
| 564 | DF | .~ Silver compound sensitizer containing {18} |
| 570 | DF | .~.~ Spectral sensitizing {6} |
| 581 | | .~.~.~ Cyanine sensitizer {2} |
| 582 | DF | .~.~.~.~> Methine linked six-membered heterocyclic rings |
| 583 | DF | .~.~.~.~> Containing odd number of methine groups {2} |