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r 900Ԫ/
a(chn)ƷB a(chn)ƷQ:ʺ Ӣ :Melatonin e: ɹwأʺɫأ˺ڼ; N--5-ɫ ʽ: C13H16N2O2 : 232.28 CAS NO.: 73-31-4 g(sh)ָˣ ^ɫɫ\SɫY(ji)Էĩ Ժ 99% PHֵ25棬ˮҺ6.001.00 ʧ(120,120)1.5% ܄1000ppm (PbӋ)20ppm (As2O3Ӌ) 5ppm (sh): 3000/g ù: 1000/g cU:Ùz ;: ʺؿɏVڱʳƷˎƷyƷB(yng)oa(chn)Ʒ
l(f)rg 2009/11/6 15:52:00
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