Five new degraded diterpenoids from Trigonostemon xyphophylloides

Biao Yang1, Guang-Ying Chen, Xiao-Ping Song

  • 1School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China.