62153-92-8 BRN 3021349 Ethanediamide, N-(2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl)-N'-((4-methylphenyl)sulfonyl)-, (R-(R*,R*))- p-Tolylsulfonyloxamic acid L(+)-threo-1-(p-nitrophenyl)-1,3-dihydroxy-2-propylamide