4H-1-苯并吡喃-4-酮, 2,3-二氢-5,7-二羟基-3-(4-羟基苯基)-

4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-3-(4-hydroxyphenyl)- · CAS 21554-71-2