Documents - COA, HNMR, 13CNMR, MASS, HPLC (by pharmacopoeia method with RT RRT results), IR and TGA will be provided with the purchase of Venlafaxine O-Desmethyl N,N-Didesmethyl Impurity / N,N-Didesmethyl DesVenlafaxine / O-Desmethyl-N,N-Didesmethyl Venlafaxine