上游原料
benzophenonemethyl 3,3-diphenyl-2-oxiranecarboxylatemethyl 2-hydroxy-3-methoxy-3,3-diphenylpropanoate4,6-dimethoxy-2-(methylsulfonyl)pyrimidine; 4,6-dimethoxy-2-pyrimidinyl methyl sulfonemethyl 2-[(4,6-dimethoxy-2-pyrimidinyl)oxy]-3-methoxy-3,3-diphenylpropanoate2-[(4,6-dimethoxy-2-pyrimidinyl)oxy]-3-methoxy-3,3-diphenylpropionic acid2-hydroxy-3-methoxy-3,3-diphenylpropionic acid(2S)-2-hydroxy-3-methoxy-3,3-diphenylpropionic acid
