Homoisoflavonoids from the inter-bulb surfaces of Scilla nervosa subsp. rigidifolia

► The organic extract of the yellow deposit of the inter-bulb surfaces of Scilla nervosa was studied. ► It was subjected to chromatography analysis. ► The chemical constituents were mostly homoisoflavonoids. ► Two new homoisoflavonoids were isolated and characterized using NMR and MS.