| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| 41 | DF | MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION {26} |
| 72 | DF | .~ Preparing compound containing saccharide radical {13} |
| 84 | DF | .~.~ Preparing nitrogen-containing saccharide {1} |
| 85 | DF | .~.~.~ N-glycoside {3} |
| 86 | ![]() | .~.~.~.~ Cobalamin (i.e., vitamin B12, LLD factor) |