| 562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
|
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
| 887 | DF | .~ Carboxylic acid anhydrides (i.e., compounds having the -C(=O)-O-C(=O)- group) {2} |
| 888 |  | .~.~ Processes of forming the -C(=O)-O-C(=O)- group {7} |
| 889 | DF | .~.~.~> Aldehyde reactant |
| 890 | DF | .~.~.~> Carbon monoxide or metal carbonyl reactant {1} |
| 892 | DF | .~.~.~> Ketone or ketene reactant |
| 893 | DF | .~.~.~> Ether or carboxylic acid ester reactant |
| 894 | DF | .~.~.~> Carboxylic acid salt reactant |
| 895 | DF | .~.~.~> Dehydration of two like or different molecules of carboxylic acid {1} |
| 897 | DF | .~.~.~> Carboxylic acid halide reactant |