4-甲基儿茶酚,4-Methylcatechol;≥95%
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叶绿素a,Chlorophyll a;analytical standard, ≥95.0% (HPLC) -
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羧基化爆轰纳米金刚石悬浮液,50 nm Carboxylated ND Suspension 1 wt. % -
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