硒标液, Selenium solution 10 000 ppm

(二氯亚甲基)二甲基氯化铵, Phosgene iminium chloride

维生素 B2, Riboflavin

铬标液,500ML, Chromium solution 1000 ppm

三氟乙酸甲酯, Methyl Trifluoroacetate

吡啶-4-乙酸乙酯, Ethyl 4-Pyridylacetate

CUPRIC SULFATE 500G

2,4-二氯嘧啶, 2,4-Dichloropyrimidine

七水合氯化铈, Cerium(III) chloride heptahydrate

二甘醇,2.5LT, Diethylene Glycol