534 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8} |
573 | DF | .~ Azo {51} |
617 | DF | .~.~ Fiber- or substrate-reactive azo compound {5} |
630 | DF | .~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding {2} |
632 | DF | .~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens {5} |
633 | .~.~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos |