分子式：C17H14O4；保存温度：Store in dry and dark place. Store at

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储存温度：4℃；分子式：C15H14O6；分子量：290.27；别名：(+)-Cyanidanol; D-Catechin；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Abies sp. Acacia sp. Aesculus sp. Agrimonia sp. Arctostaphylos sp. Begonia sp. Betula sp. Boswellia sp. Calluna sp. Camellia sp. Cardiospermum sp. Cassia sp. Casuarina sp. Catha sp. Ceanothus sp. Ceratonia sp. Chaenomeles sp. Cola sp. Crataegus sp. Castanea sp. Casuarina sp. Cinnamomum sp. Croton sp. Ephedra sp. Erica sp. Eucalyptus sp. Fallopia sp. Ferula sp. Fragaria sp. Geranium sp. Gossypium sp. Hamamelis sp. Hypericum sp. Illicium sp. Juniperus sp. Larix sp. Lithospermum sp. Loranthus sp. Malus sp. Persea sp. Persicaria sp. Picea sp. Pinus sp. Potentilla sp. Primula sp. Pterocarpus sp. Quercus sp. Rheum sp. Rhododendron sp. Ribes sp. Rosa sp. Salix sp. Theobroma sp. Ulmus sp. Vaccinium sp. Viburnum sp. Vitis sp.；

分子式：C17H16O4；保存温度：Store in dry and dark place. Store at

储存温度：4℃；分子式：C22H18O10；分子量：442.38；；Certification：This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).；；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Camellia sp.；

储存温度：4℃；分子式：C22H18O10；分子量：442.38；；Certification：This substance is supplied with certified chromatographic purity.；Special Notes：This substance is prepacked and available in 10 mg portions only. Orders of larger quantities will be delivered as the corresponding number of 10 mg portions (e.g. an order of 50 mg will be delivered as 5 x 10 mg).；运输条件：ambient conditions；Commodity description：oxygen-heterocyclic compound；Occurrence：Acacia sp. Piptadenia sp.；

别名：3',4',5,7-Tetrahydroxyflavylium chloride；分子式：C15H11O5Cl；保存温度：Store in dry and dark place. Store at

别名：Norwogonin；分子式：C15H10O5；保存温度：Store in dry and dark place. Store at

别名：3',5,7-Trihydroxy-4'-methoxyflavone；分子式：C16H12O6；保存温度：Store in dry and dark place. Store at

别名：3',5,7-Trihydroxy-4'-methoxyflavylium chloride；分子式：C16H13O5Cl；保存温度：Store in dry and dark place. Store at