L-Proline,N-(methoxycarbony1)-L-valyl-5-methyl-,3-[2-[[[(2S,4S)-1-(1,1-dimethylethoxy)carbony]-4-(methoxymethyl)-2-pyrrolidinyl]carbonyl]oxy]acetyl]-8, China L-Proline,N-(methoxycarbony1)-L-valyl-5-methyl-,3-[2-[[[(2S,4S)-1-(1,1-dimethylethoxy)carbony]-4-(methoxymethyl)-2-pyrrolidinyl]carbonyl]oxy]acetyl]-8 Selling, Selling China L-Proline,N-(methoxycarbony1)-L-valyl-5-methyl-,3-[2-[[[(2S,4S)-1-(1,1-dimethylethoxy)carbony]-4-(methoxymethyl)-2-pyrrolidinyl]carbonyl]oxy]acetyl]-8, Genchem&Genphar