for the following products
(S)-5-Chloro-(cyclopropylethynyl)-2-[(4-methoxyphenyl)methyl]amion (trifluoromethyl) benzenemethanol | E-4 and (S)-5-Chloro-alpha-(cyclopropylacetenyl)-2-[((4-methoxyphenyl)methyl)amino]-alpha-(trifluoromethyl)benzenemethanol