anthocyanidin 3-O-[2-O-(4-coumaroyl)-alpha-L-rhamnosyl-(1->6)-beta-D-glucoside] betaine
anthocyanidin 3-o-[2-o-(4-coumaroyl)-alpha-l-rhamnosyl-(1->6)-beta-d-glucoside] betaine
An oxonium betaine arising from regioselective deprotonation of the 5-hydroxy group of any anthocyanidin 3-<em>O</em>-[2-<em>O</em>-(4-coumaroyl)-α-<small>L</small>-rhamnosyl-(1→6)-β-<small>D</small>-glucoside] (R groups may be H).