HMBC spectrum (C5D5N) of 3-O-Caffeoyloleanolic acid (RP12).

 
 
  Part of: Zarev Y (2023) Isolation and characterization of 3- O-caffeoyloleanolic acid from Robinia pseudoacacia stem bark. Pharmacia 70(4): 1209-1212. https://doi.org/10.3897/pharmacia.70.e110402