(Z)-3-(1H-indol-5-yl)-2-methoxy-acrylic acid benzyl ester 、
2-(5-甲基-2-苯基-1,3-恶唑-4-基)乙基甲烷磺酸酯 以the title compound was obtained in 5% yield as a colourless solid的产率得到(Z)-2-Methoxy-3-{1-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethyl]-1H-indol-5-yl}-acrylic acid