(1'beta)-6,6',12-Trimethoxy-2,2'-dimethylberbaman-7-ol 10172-02-8 6,6',12-Trimethoxy-2,2'-dimethylberbaman-7-ol (1'beta)- Berbaman-7-ol, 6,6',12-trimethoxy-2,2'-dimethyl-, (1'beta)-