Two New Pimarane-Type Diterpenes from the Metabolites of Xylaria sp. 290
Xu Peipei, You Huaicheng, Hu Zhiyu, Li Yaoyao, Shen Yuemao
Chin. J. Org. Chem. . 2013, (12): 2618 -2621 .  DOI: 10.6023/cjoc201306031