2D NMR Assignments of an ent-Pimarane Diterpenoid from Euphorbia yinshanica
ZHANG Ben-Yin, WANG Huan, LUO Xiao-Dong, DU Zhi-Zhi, SHEN Jian-Wei, ZHANG Xiao-Feng
Chinese Journal of Magnetic Resonance . 2012, (1): 112 -118 .