77303-12-9 Boc-aapil Boc-alanyl-alanyl-phenylalanine-isoluminolamide Butyloxycarbonyl-alanyl-alanyl-phenylalanine-isoluminolamide L-Phenylalaninamide, N-((1,1-dimethylethoxy)carbonyl)-L-alanyl-L-alanyl-N-(1,2,3,4-tetrahydro-1,4-dioxo-6-phthalazinyl)- tert-Butyloxycarbonyl-ala-ala-phe-isoluminolamide