SMILES: COC1=C(C=CC(=C1)[C@@H]2[C@@H](OC3=C4C(=CC(=C3O2)OC)C=CC(=O)O4)CO)O
Description: The molecule is an organic heterotricyclic compound that is 2,3-dihydro-9H-[1,4]dioxino[2,3-h]chromen-9-one substituted by 4-hydroxy-3-methoxy phenyl group at position 3, a hydroxymethyl group at position 2 and a methoxy group at position 5 (the 2S,3R stereoisomer). An epimer of cleomiscosin A, it is isolated from the aerial parts of Rhododendron collettianum and exhibits inhibitory activity towards the enzyme tyrosinase. It has a role as a metabolite and an EC 1.14.18.1 (tyrosinase) inhibitor. It is a member of phenols, an aromatic ether, an organic heterotricyclic compound, a delta-lactone and a primary alcohol.