The molecule is conjugate acid of deaminohydroxyblasticidin S having an anionic carboxy group and protonated primary amino and guanidino groups; major species at pH 7.3. It is a conjugate acid of a deaminohydroxyblasticidin S.
(2S,3S,6R)-3-[[3-azaniumyl-5-[diaminomethylidene(methyl)azaniumyl]pentanoyl]amino]-6-(2,4-dioxopyrimidin-1-yl)-3,6-dihydro-2H-pyran-2-carboxylate