110605-28-2 Ac-Cys-(asn-ala-asn-pro)3 Ac-Cys-(nanp)3 Acetylcysteine(asparaginyl-alanyl-asparaginyl-proline)3 L-Proline, N-acetyl-L-cysteinyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-