硫酸锌七水合物, Zinc sulfate heptahydrate

pH缓冲液,20L, BUFFER COLORED RED PH 4 20L

2-羟基-4-甲氧基安息香酸, 4-Methoxysalicylic Acid

2,3-二甲氧基-5-甲基-1,4-苯醌, 2,3-Dimethoxy-5-methyl-1,4-benzoquinone

钼酸铵 四水合物,500GR, Ammonium molybdate tetrahydrate

2-甲基烟酸, 2-Methylnicotinic Acid

2，6-二氟苯胺, 2,6-Difluoroaniline

氧化亚铜,250GR, Copper(I) oxide

2,4-二甲氧基苯甲醛, 2,4-Dimethoxybenzaldehyde

吐温20, Tween《 20