Fig. 4 in The racemic trimeric quinone and polycyclic quinones isolated from the aerial parts of Morinda umbellata L

Fig. 4. Experimental ECD spectra obtained in MeOH and calculated ECD spectra for isomers 1–4 (a–d, respectively).Published as part of Li, Changkang, Dong, Chaoxuan, Fu, Jia, Xie, Jun, Lai, Shengtian, Wang, Hongqing, Chen, Ruoyun & Kang, Jie, 2021, The racemic trimeric quinone and polycyclic quinones isolated from the aerial parts of Morinda umbellata L, pp. 1-9 in Phytochemistry (112622) 183 on page 6, DOI: 10.1016/j.phytochem.2020.112622, http://zenodo.org/record/829180