(-)-L-乳酸乙酯,(−)-Ethyl L-lactate;analytical standard, ≥98.5% (GC)
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杆菌肽,Bacitracin;from Bacillus licheniformis, ≥65 IU/mg
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超氧化物歧化酶来源于牛,Superoxide Dismutase bovine;recombinant, expressed in E. coli, lyophilized powder, ≥2500 units/mg protein, ≥90% (SDS-PAGE)