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

[2,8'-Bi-2H-1-benzopyran]-4(3H)-one,5,5',7-trihydroxy-2',2'-dimethyl-, (2S)- · CAS 86450-80-8