(R)-N-(N-(2-(2-(Hydroxyamino)-2-oxoethyl)-4-methyl-1-oxopentyl)-L-leucyl)-L-alanine ethyl ester 112105-54-1 L-Alanine, N-(N-(2-(2-(hydroxyamino)-2-oxoethyl)-4-methyl-1-oxopentyl)-L-leucyl)-, ethyl ester, (R)- Ro 31-4724 Ro 314724