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| Umbelliferones 7-Hydroxycoumarins | Hydrangin | Skimmetin | 7 Hydroxycoumarins 7-Hydroxycoumarins. Substances present in many plants, especially umbelliferae. Umbelliferones are used in sunscreen preparations and may be mutagenic. Their derivatives are used in liver therapy, as reagents, plant growth factors, sunscreens, insecticides, parasiticides, choleretics, spasmolytics, etc. |