The Complete List of Suppliers for Picras-3-ene-2,16-dione,11,20:13,21-diepoxy-1,11,12-trihydroxy-, (1b,11b,12a,13b)- (9CI)
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![138683-60-0,Picras-3-ene-2,16-dione,11,20:13,21-diepoxy-1,11,12-trihydroxy-, (1b,11b,12a,13b)- (9CI),Spiro[2H-1,11c-(epoxymethano)phenanthro[10,1-bc]pyran-3(3aH),2'-oxirane],picras-3-ene-2,16-dione deriv.; Ailanthone a-epoxide](http://www.lookchem.com/300w/2010/0610/138683-60-0.jpg)