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Structures of benzyl (diethoxyphosphoryl)-d-prolinate (8), ethyl (diethoxyphosphoryl)-l-phenylalaninate (9), tetraethyl ((1S,3S)-cyclohexane-1,3-diyl)bis(phosphoramidate) (10), diethyl ((1S,3S)-3-aminocyclohexyl)phosphoramidate (11) synthesized by iodinating agents.
