(1-hydroxymethyl-propylimino)-di-acetic acid bis-[(1,1-dimethyl-2-phenyl-ethyl)-methyl-amide]
<2-Hydroxy-aethyl>-
2-Hydroxy-1.1-bis-hydroxymethyl-aethylimino-bis-
(2-chloro-ethylimino)-di-acetic acid bis-[(1,1-dimethyl-2-phenyl-ethyl)-methyl-amide]
[2-(4-nitro-benzoyloxy)-ethylimino]-di-acetic acid bis-[(1,1-dimethyl-2-phenyl-ethyl)-methyl-amide]