DEHYDRODIEUGENOL;3,3'-Dimethoxy-5,5'-di-2-propenyl[1,1'-biphenyl]-2,2'-diol;3,3'-Dimethoxy-5,5'-diallyl-1,1'-biphenyl-2,2'-diol;3,3'-Dimethoxy-5,5'-diallylbiphenyl-2,2'-diol;Bis-EUG;5,5'-diallyl-2,2'-dihydroxy-3,3'-dimethoxybiphenyl;Eugenol EP Impurity M;Eugenol Impurity 13（Eugenol EP Impurity M）
