303-05-9

(2R)-N-[3-[2-[2-[3-[[(2R)-2,4-dihydroxy-3,3-dimethyl-butanoyl]amino]propanoylamino]ethyldisulfanyl]ethylamino]-3-keto-propyl]-2,4-dihydroxy-3,3-dimethyl-butyramide