2,2,2-三溴乙醇, 2,2,2-Tribromoethanol

亚乙基脲(2-咪唑酮), 2-Imidazolidone hemihydrate

2-氯-4,6-二氟苯胺, 6-Chloro-2,4-difluoroaniline

L-肌肽, L-Carnosine

2-甲基苯并呋喃, 2-Methylbenzofuran

kappa-角叉菜聚糖, kappa-Carrageenan

铝标准溶液,500ML, Aluminium solution 1000 ppm

2，3-二甲基-2，3-二苯基丁烷, 2,3-Dimethyl-2,3-diphenylbutane

锑标液,500ML, Antimony solution 1000 ppm

丙二酸二甲酯, Dimethyl Malonate