酒石酸钾钠四水合物 [罗谢尔盐四水合物],Potassium sodium tartrate tetrahydrate;puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration)
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壮观霉素二盐酸盐五水合物 [奇霉素, 盐酸大观霉素],Spectinomycin dihydrochloride pentahydrate;VETRANAL®, analytical standard, 98.0-102.0%
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壮观霉素二盐酸盐五水合物 [奇霉素, 盐酸大观霉素],Spectinomycin dihydrochloride pentahydrate;powder, γ-irradiated, ≥500 μg per mg
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3α-羟甾类脱氢酶来源于睾丸酮假单胞菌 [3α-羟基类固醇脱氢酶],3α-Hydroxysteroid Dehydrogenase from Pseudomonas testosteroni [3α-HSD];≥15 units/mg protein