ethyl acetateַQW(xu)ʽC4H8O288.11һNй܈F(tun)-COOR̼c֮gpIܰl(f)Q߀ԭһĹͬ(yng)Ͷԣζ^ߕr(sh)д̼Ԛζד]l(f)Ѓ(yu)ܽ;VһNҪЙC(j)ԭϺI(y)܄
ַQһNй܈F(tun)-COOR̼c֮gpIҲܰl(f)Q߀ԭһĹͬ(yng)cпs3-u-2-ͪcGrignardԇ(yng)ͪM(jn)һ(yng)õ崼(du)^(wn)290ӟ8~10Сr(sh)o׃
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