2-氯-4-氟苯乙酸甲酯, Methyl 2-chloro-4-fluorophenylacetate

2,6-二甲基-3,5-庚二酮, 2,6-Dimethyl-3,5-heptanedione

二甲亚枫,4L, DIMETHYLSULFOXIDE ACS 4L

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