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a(chn)ƷB °l(f)F(xin)ˮԾSBеһNS ܎ϳ~(SBCSM),ڙC(j)w(SB5)ա Ӣ 4-Aminobenzoic acid e 1-Amino-4-carboxybenzene; p-Aminobenzoic acid; PABA ʽ C7H7NO2 137.14 CAS ̖ 150-13-0 ܶ 1.374 c 186-189C ˮ 4.7 g/L (20C) rrиӃH,ɆՈھԒԃ
l(f)rg 2011/5/25 10:32:00
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