[2,6'-Bi-2H-1-benzopyran]-4(3H)-one,5,5',7- trihydroxy-2',2'-dimethyl-,(2S)-

[2,6'-Bi-2H-1-benzopyran]-4(3H)-one,5,5',7- trihydroxy-2',2'-dimethyl-,(2S)- · CAS 85889-03-8