N-CH H HO OOHNH2慶大霉雜質素組分R1R2R3R4R5R6分子式分子量雜質 F A OH H NH2OHHC1H36N4O10468.24雜質GA2 OH HHH OH H C18H35N3O10453.23雜質CB1NH2CH3 H OH CH3 OH C20 H4N4O10496.2雜質 H X OH HH NH2OHCH3C19H3N4O10482.26雜質A(西索米星)NHeNHCH C19H3N5O7447.27 組分C2b(小諾霉素)NHCH3 CH2NHCH3 CH3 NHX OH NH2NH C20H41N5O7463.30