[(2R,3S,4S,5R,6R)-6-methyl-4,5-bis(phenylmethoxy)-3-phenylselanyloxan-2-yl] acetate   、                                                                                      
甲基2,3,4-三-O-苄基-α-D-吡喃葡萄糖苷                                                                                                                                                                                                                                                                                                          生成                                                 (2S,3R,4S,5R,6R)-2-methoxy-6-[[(2S,3R,4S,5R,6R)-6-methyl-4,5-bis(phenylmethoxy)-3-phenylselanyloxan-2-yl]oxymethyl]-3,4,5-tris(phenylmethoxy)oxane