Makamantuwa:

tert-butyl N-[(2S) -1-[[(2S) -1-[[(2S) -1-amino-5-(diaminomethylideneamino) -1-oxopentan-2-yl]-(4-methyl- 2-oxochromen-7-yl) amino] -5- (diaminomethylideneamino) -1-oxopentan-2-yl]-4-methyl-1-oxopentan-2-yl]carbamate; Boc-Leu-Arg-Arg- AMC .2 HCl; Boc-LRR-AMC