Fig. 2. 2D NMR correlations for compound 1 in Bioactive pentacyclic triterpenoids from the whole plants of Pterocephalus hookeri

Fig. 2. 2D NMR correlations for compound 1.Published as part of Zhang, Jun-Sheng, Qian, Yong, Xin, Zhen-Qiang, Cao, Xin-Xin, Yang, Zhou & Zhang, Hua, 2022, Bioactive pentacyclic triterpenoids from the whole plants of Pterocephalus hookeri, pp. 1-9 in Phytochemistry (113040) 195 on page 3, DOI: 10.1016/j.phytochem.2021.113040, http://zenodo.org/record/823693