TY - JOUR T1 - Phenylethanoid glycosides from Stachytarpheta cayennensis (Rich.) Vahl, Verbenaceae, a traditional antimalarial medicinal plant JO - Revista Brasileira de Farmacognosia A1 - Froelich, Sonja A1 - Gupta, Mahabir P. A1 - Siems, Karsten A1 - Jenett-Siems, Kristina SN - 0102-695X UL - 10.1590/S0102-695X2008000400003 VL - 18 Y1 - 2008 PB - Brasil ER -