histidine,nitroanilide
Histidine
654652-91-2L-Histidine,L-leucyl-L-alanyl-L-asparaginyl-L-prolyl-L-lysyl-L-a-glutamyl-L-phenylalanyl-L-tyrosyl-
85139-13-5L-Histidine,N-[N-[N-[N-[N-[N-(1-L-histidyl-L-prolyl)-L-phenylalanyl]-L-histidyl]-L-leucyl]-L-valyl]-L-isoleucyl]-