Degraded Diterpenoids from Trigonostemon howii
TANG Gui-hua1,2, YUAN Chun-mao1, ZHANG Yu1, LI Shun-lin1, DI Ying-tong1*, HAO Xiao-jiang1*
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2015, (11): 1843 -1846 .  DOI: 10.16333/j.1001-6880.2015.11.001