、
6-(3-chloro-4-{3-[2-(4-hydroxy-phenyl)-ethoxy]-propoxy}-phenyl)-4,5-dihydro-2H-pyridazin-3-one 、 {2-[2-(4-Hydroxy-phenyl)-propionylamino]-ethyl}-carbamic acid tert butyl ester 以(45) was obtained as a yellow oil (224 mg) of purity 61% by LCMS (corrected yield=63%)的产率得到6-(3-chloro-4-(3-{2-[4-((S)-1-oxiranylmethoxy)-phenyl]-ethoxy}-propoxy)-phenyl)-4,5-dihydro-2H-pyridazin-3-one