(Asn-ala-asn-pro)3 (Asparaginyl-alanyl-asparaginyl-proline)3 (Nanp)3 97557-30-7 L-Proline, 1-(N2-(N-(N2-(1-(N2-(N-(N2-(1-(N2-(N-L-asparaginyl-L-alanyl)-L-asparaginyl)-L-prolyl)-L-asparaginyl)-L-alanyl)-L-asparaginyl)-L-prolyl)-L-asparaginyl)-L-alanyl)-L-asparaginyl)-