20257-56-1 29400-53-1 4050-91-3 480-20-6 4H-1-Benzopyran-4-one, 2,3-dihydro-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-, (2R-trans)- 5150-32-3 56297-98-4 95297-04-4 Aromadedrin Aromadendrin Aromadendrol