A new flavonoid from heartwood of Caesalpinia sappan Isoflavones from flower buds of Rosa rugosa and their cytotoxicity A New Anthraquinone Compound from the Stem and Leaves of Tripterygium wilfordii Hook. f. Chemical constituents of antineoplastic actinomycete strain (N2010-37) of bottom mud in mangrove (I) Chemical constituents of antineoplastic actinomycete strain (N2010-37) of bottom mud in mangrove (I)