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(2007/10/03)[(S)-3-((2R,5S)-5-tert-Butyl-3,6-diethoxy-2,5-dihydro-pyrazin-2-yl)-cyclohex-1-enylmethyl]-phosphonic acid diethyl ester
(R)-Amino-[(S)-3-(diethoxy-phosphorylmethyl)-cyclohex-2-enyl]-acetic acid ethyl ester
[2-Bromo-cyclohex-(E)-ylidenemethyl]-phosphonic acid diethyl ester
[2-Bromo-cyclohex-(Z)-ylidenemethyl]-phosphonic acid diethyl ester
Cyclohex-2-en-(Z)-ylidenemethyl-phosphonic acid diethyl ester