137042-20-7 167257-43-4 Harzianin HC I L-Prolinamide, N-acetyl-2-methylalanyl-L-asparaginyl-L-leucyl-2-methylalanyl-L-prolyl-L-seryl-L-valyl-2-methylalanyl-L-prolyl-2-methylalanyl-L-leucyl-2-methylalanyl-N-(1-(hydroxymethyl)-3-methylbutyl)-, (S)- Trichovirin I IB