Cucurbalsaminones A–C, Rearranged Triterpenoids with a 5/6/3/6/5-Fused Pentacyclic Carbon Skeleton from Momordica balsamina, as Multidrug Resistance Reversers

Mónico Andreia, Ramalhete Cátia, André Vânia, Spengler Gabriella, Mulhovo Silva, Duarte Teresa M., Ferreira Maria-José U.
2019