A: At least nine bioactive phenolics contain the pyrogallol moiety: ampelopsin (6), myricetin (19), myricetin 3-O-galactoside (15), myricitrin (16), epigallocatechin (5), epigallocatechin gallate (8), gallocatechin gallate (10), epicatechin gallate (12), and catechin gallate (14). These compounds may contribute to the anti-SARS-CoV-2 activity in addition to the main compound ampelopsin.