Class 3523 - Lactones n.e.c., heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring, a pyrimidine ring, a piperazine ring, an unfused triazine ring or a phenothiazine ring system not further fused; hydantoin and its derivatives; sulphonamides of Central Product Classification (CPC) Version 2.1 includes these subclasses:

35230 Lactones n.e.c., heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring, a pyrimidine ring, a piperazine ring, an unfused triazine ring or a phenothiazine ring system not further fused; hydantoin and its derivatives; sulphonamides

This subclass is defined through the following headings/subheadings of the HS 2007: 2932.20, 2933.11, .19, .21, .52 - .59, .69, 2934.30, 2935.


In French: http://www.fr2.wiki/cpc:3523
In Spanish: http://www.actor-atlas.info/es5:3523




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