Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds

292511 Imides and their derivatives; saccharin and its salts 292512 Imides and their derivatives; glutethimide (INN) 292519 Imides and their derivatives; other than saccharin and glutethimide (INN) 292521 Imines and their derivatives; salts thereof; chlordimeform (ISO) 292529 Imines and their derivatives; salts thereof; other than chlordimeform (ISO)