methyl pedimidate 、 Acetic acid (S)-chlorocarbonyl-((2R,4R,5R,6R)-2-methoxy-5,6-dimethyl-4-phenylselanylmethyl-tetrahydro-pyran-2-yl)-methyl ester 生成 Acetic acid (S)-({(R)-[(2S,4R,6R)-4-benzyloxy-6-((S)-2,3-dimethoxy-propyl)-5,5-dimethyl-tetrahydro-pyran-2-yl]-methoxy-methyl}-carbamoyl)-((2R,4R,5S,6R)-2-methoxy-5,6-dimethyl-4-phenylselanyl-tetrahydro-pyran-2-yl)-methyl ester 、 Acetic acid (S)-({(S)-[(2S,4R,6R)-4-benzyloxy-6-((S)-2,3-dimethoxy-propyl)-5,5-dimethyl-tetrahydro-pyran-2-yl]-methoxy-methyl}-carbamoyl)-((2R,4R,5S,6R)-2-methoxy-5,6-dimethyl-4-phenylselanyl-tetrahydro-pyran-2-yl)-methyl ester