913239-56-2
diphenyl 1-[(N-m-methylbenzoyl-O-tert-butyl-D-seryl)-L-alanyl]amino-2-[4-(N,N'-bis(tert-butyloxycarbonyl)guanidino)phenyl]ethanephosphonate
913239-57-3
diphenyl 1-[(N-o-methylbenzoyl-O-tert-butyl-D-seryl)-L-alanyl]amino-2-[4-(N,N'-bis(tert-butyloxycarbonyl)guanidino)phenyl]ethanephosphonate
913239-55-1
diphenyl 1-[(N-p-methylbenzoyl-O-tert-butyl-D-seryl)-L-alanyl]amino-2-[4-(N,N'-bis(tert-butyloxycarbonyl)guanidino)phenyl]ethanephosphonate
913239-58-4
diphenyl 1-[(N-o,o-dimethylbenzoyl-O-tert-butyl-D-seryl)-L-alanyl]amino-2-[4-(N,N'-bis(tert-butyloxycarbonyl)guanidino)phenyl]ethanephosphonate
913239-53-9
diphenyl 1-[(N-p-bromobenzenesulfonyl-O-tert-butyl-D-seryl)-L-alanyl]amino-2-[4-(N,N'-bis(tert-butyloxycarbonyl)guanidino)phenyl]ethanephosphonate