O-Desmethyl Tramadol Hydrochloride (1,0 mg/mL in Methanol) 5X1ml
https://gene.genprice.com/shop/rw2-trc-kit1190-5x1ml-o-desmethyl-tramadol-hydrochloride-10-mg-ml-in-methanol-5x1ml-276715
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This O-Desmethyl is guaranteed a Tramadol with the use of Hydrochloride(1,0 and directly supplied to your lab by Gentaur's warehouse.
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