[1] Area Quim Inorgan, RA-2000 Rosario, Argentina
[2] UNLP, Fac Ciencias Exactas, CEQUINOR, La Plata, Argentina
[3] Univ Chile, Fac Ciencias Quim & Farmaceut, Santiago, Chile
[4] Univ Nacl Rosario, Area Farmacognosia, RA-2000 Rosario, Santa Fe, Argentina
[5] UNL, Fac Ingn Quim, RA-28293000 Santiago Del Estero, Santa Fe, Argentina