Chemical constituents of Omphalia lapidescens Chemical constituents of Omphalia lapidescens Chemical constituents from sporophore of Hericium coralloides (I) A new isocoumarin isolated from endophytic fungus Arthrinium sp. A092 derived from medicinal plant Uvaria microcarpa Chemical constituents from Sparganii Rhizoma Chemical constituents from sporophore of Hericium coralloides (I) Chemical constituents from Sparganii Rhizoma