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High-performance thin-layer chromatography chromatogram for Orthosiphon stamineus extracts with four identified compound; 3′hydroxy-5,6,7,4′tetramethoxyflavon, sinensitin, eupatorin and rosmarinic acid legend: L1: SBEW L2: CJEW L3: SEW L4: KBEW L5: BKEW L6: SBW L7: CJW L8: SW L9: KBW L10: BKW L11: SBE L12: CJE L13: SE L14: KBE L15: BKE L16: Mix standards; 3′hydroxy-5,6,7,4′tetramethoxyflavon, sinensitin and eupatorin L17: Rosmarinic acid
