英文别名2,2,2',2'-Tetramethyl-6,6',7,7'-tetramethoxy-3',4'-dihydro-3,4'-bi[2H-1-benzopyran]; 3',4'-Dihydro-6,6',7,7'-tetramethoxy-2,2,2',2'-tetramethyl-3,4'-bi-(2H-1-benzopyran); 3',4'-Dihydro-6,6',7,7'-tetramethoxy-2,2,2',2'-tetramethyl-3,4'-bi-2H-1-benzopyran; 3-[3,4-Dihydro-6,7-dimethoxy-2,2-dimethyl-2H-1-benzopyran-4-yl]-6,7-dimethoxy-2,2-dimethyl-2H-1-benzopyran; Ageratochromen dimer; Ageratochromene low-melting dimer; Ageratochromene dimer; 3,4'-Bi-2H-1-benzopyran, 3',4'-dihydro-6,6',7,7'-tetramethoxy-2,2,2',2'-tetramethyl-, (-)- (9CI) 
