邻苯二甲酸二乙酯-D4标准溶液, Diethyl Phthalate-d4 Standard solution

化妆品中5种有机酸混标溶液, 5 Organic Acid Mix Solution

2,6-二氮杂螺[3.3]庚烷二盐酸盐二水合物, 2,6-Diazaspiro[3.3]heptane dihydrochloride dihydrate

2-溴-1-氯-3,5-二氟苯, 2-Bromo-1-chloro-3,5-difluorobenzene

2-羟基-4-(羟甲基)苯甲醛, 2-Hydroxy-4-(hydroxymethyl)benzaldehyde

4-溴二苯并噻吩, 4-Bromodibenzo[b,d]thiophene

1,2-二甲基苯并二唑-5-羧酸, 1,2-Dimethylbenzodiazole-5-carboxylic acid

氧化氯丹标准溶液, Oxychlordane Standard solution

噻嗪酮标准溶液, Buprofezin Standard solution

溴布特罗盐酸盐标准溶液, Brombuterol hydrochloride Standard solution