Organosulphur compounds (excl. thiocarbamates and dithiocarbamates, thiuram mono, di or tetrasulphides, methionine, 2(n,ndiethylamino)ethanethiol, bis(2hydroxyethyl)sulfide (thiodiglycol (inn)), aldicarb [iso], captafol [iso], methamidophos [iso] and 2(n,ndimethylamino) ethanethiol)