Structure elucidation of plumerubradins A–C: Correlations between 1H NMR signal patterns and structural information of [2+2]-type cyclobutane derivatives
a State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
b Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM & New Drugs Research, Guangdong-Hong Kong-Macau Joint Laboratory for Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, China
c Center for Bioactive Natural Molecules and Innovative Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
d State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
e Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
f Laboratory of Pharmaceutical Crystal Engineering & Technology, East China University of Science and Technology, Shanghai 200237, China
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