Quercitrin (3-rhamnosyl quercetin) is a plant-derived flavonoid compound, displays antioxidant and anti-inflammatory activities. Quercitrin can be found in a number of food items such as garden tomato (var. ), German camomile, endive, and kiwi, which makes quercitrin a potential biomarker for the consumption of these food products.

Quercitrin 2''-O-arabinoside is a natural product for research related to life sciences. The catalog number is TN5529 and the CAS number is 104683-55-8.

2''-O-Galloylquercitrin is a natural product from Acer ginnala.

3'',4''-Di-O-p-coumaroylquercitrin is a natural product for research related to life sciences. The catalog number is TN5487 and the CAS number is 437615-43-5.

Quercetin-3-O-β-D-glucose-7-O-β-D-gentiobiosiden (Quercetin-3-O-beta-D-glucose-7-O-beta-D-gentiobioside) is a flavonoid isolated from Quercetin.

1. 3''-Galloylquercitrin possesses the activity for PTK inhibition.