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![Isepamicin sulfate impurity II (Gentamicin B) O-6-amino-6-deoxy-α-D-glucopyranosyl-(1→4)-O-[3-deoxy-4-C-methyl-3-(methylamino)-β-L-arabinopyranosyl-(1→6)]-2-deoxy-D-streptamine](/upload/image/thumb/2_600_600_20250318202503181048.jpg)
Fenelidone nitrosamine impurity
