The Complete List of Suppliers for Quaternary ammonium compounds, (C14-18 and C18-unsatd. alkyl)trimethyl, salts with (4S-(4alpha,4aalpha,5alpha,6aalpha,6beta,12aalpha))-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, calcium salt