2-(adenin-9-yl)-1,5-anhydro-4-O-tertbutyldimethylsilyl-6-O-[N-(Nα,Nω,Nω'-tri-Boc-L-arginyl)sulfamoyl]-2,3-dideoxy-D-arabinohexitol

(2S,3R)-1,3-bis(benzyloxy)-1-oxobutan-2-yl N2,Nw,Nw'-tris(tert-butoxycarbonyl)-L-arginyl-L-tyrosyl-L-leucyl-L-prolinate

ethyl (S,E)-7-((E)-2,3-bis(tert-butoxycarbonyl)guanidino)-4-((tert-butoxycarbonyl)amino)hept-2-enoate

4-amino-7-guanidino-hept-2-enoic acid ethyl ester

miraziridine A diethyl ester