Rosinidine is a known substituent of anthocyanins. It is being studied as a substituent for hDHFR, a potential cancer drug.
Definition
ChEBI: An anthocyanidin cation consisting of benzopyrylium with hydroxy substituents at positions 3 and 5, a methoxy group at position 7 and a 4-hydroxy-3-methoxyphenyl group at position 2.