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SA1641 isolated from Gypsophila paniculata L. (A) Structure of SA1641. It consists of a hydrophobic C30 backbone (gypsogenin) and two branched carbohydrate chains attached to gypsogenin. (B) Cytotoxicity of SA1641 on HER14 cells. SA1641 was non‐cytotoxic on HER14 cells over a wide concentration range. Cell viability was determined by MTT‐assay. Each point represents the mean ± SD of 3 independent experiments, n = 3.
