rhaponticin + malonyl-CoA => 6-O-malonyl-rhaponticin + CoA
rhaponticin + malonyl-coa => 6-o-malonyl-rhaponticin + coa
rhaponticin + malonyl-CoA => 6-O-malonyl-rhaponticin + CoA
rhaponticin + malonyl-coa => 6-o-malonyl-rhaponticin + coa