64452-96-6 Chromium nicotinate 烟酸铬
BJS996338364452-96-698%
¥315.00100g
14639-25-9 2-Pyridinecarboxylic acid, chromium complex 吡啶-2-甲酸铬
BJS764069014639-25-998%
¥105.0025g
7788-98-9 Ammonium chromate 铬酸铵
BJS47323497788-98-999.5%
¥69.0025g
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