534 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8} |
573 | DF | .~ Azo {51} |
739 | DF | .~.~ Azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom {6} |
740 | .~.~.~ Hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group |