二苯甲烷, Diphenylmethane

3-苯丙醛, 3-Phenylpropionaldehyde

苄氧基乙酸, Benzyloxyacetic Acid

二苯乙腈, Diphenylacetonitrile

脲酶, Urease-active meal

钙标液,500ML, Calcium solution 1000 ppm

2，3-苯并蒽, 2,3-Benzanthracene

1-乙酰基环已烯, 1-Acetylcyclohexene

D-缬氨酸甲酯盐酸盐, D-Valine Methyl Ester Hydrochloride

碘化钾, Potassium Iodide