Andropaniosides A and B, two new ent-labdane diterpenoid glucosides from Andrographis paniculata

Two new ent-labdane diterpenoid glucosides, andropaniosides A and B, along with five known analogs, andrographiside, neoandrographolide, andropanoside, 14-deoxy-11,12-didehydroandrographiside, and 19-O-β-D-glucopyranosyl-ent-labda-8(17),13-dien-15,16,19-triol were isolated from a methanol extract of the aerial parts of Andrographis paniculata. Their chemical structures were identified by the comprehensive spectroscopic methods, including 1D and...