甲氧苄啶,Trimethoprim;VETRANAL®, analytical standard
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硫酸铵-15N2,Ammonium-15N2 sulfate;10 atom % 15N
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碘化锌,Zinc iodide;anhydrous, powder, 99.999% trace metals basis
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荧光素,Fluorescein (free acid);Dye content 95 %
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1,2,3,4-四氢萘,1,2,3,4-Tetrahydronaphthalene;reagent grade, ≥97%
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尿素,Urea;BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)
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二氢尿嘧啶,Dihydrouracil [DiHU];Powder, ≥98%