Oldenlandoside I ((E)-6-O-p-coumaroyl scandoside methyl ester) is a natural product isolated from Hedyotis diffusa exhibiting potential antiproliferative activity. It induces apoptosis in SKM-1 cells in combination with p-coumaric acid, associated with caspase activation and inhibition of PI3K/Akt pathway proteins.

(E)-6-O-p-Coumaroyl scandoside methyl ester is a natural product discovered in Oldenlandia diffusa suitable for biochemical experiments and drug synthesis research.