562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
400 | DF | .~ Carboxylic acids and salts thereof {14} |
512 | DF | .~.~ Acyclic {14} |
512.2 | DF | .~.~.~ Preparing by oxidation of hydrocarbon mixtures {1} |
512.4 | .~.~.~.~ Plural -COO- groups in compound formed |