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a(chn)ƷB e:ͷʽͷ: C12H15NO4=237.26 a(chn)Ʒf: Ԡ :ɫɫĩڼ״Ҵȷܽ΢ˮИO΢ܽ⡣ ; :ԭxˎҪijЩxˎЧ b :25K/Ͱ|˜ʺ98.0% c147-152 ʧأ0.5% ƚ0.5% һ0.70L545nm0.70L525nm
l(f)rg 2011/3/7 10:06:00
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