PODOCARPIC ACIDPodocarpic acid罗汉松酸(1S,4aS,10aR)-6-hydroxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid(1S,4aS,10aR)-1,2,3,4,4a,9,10,10a-octahydro-6-hydroxy-1,4a-dimethylphenanthrene-1-carboxylic acidpodocarpic acidPodocarpic acid