2',6'-dichloro-5-methoxymethyl-5,6-dehydrokawain ((E)-6-(2',6'-dichlorostyryl)-4-methoxy-5-(methoxymethyl)-2H-pyran-2-one)
2',6'-dichloro-5-methoxymethyl-5,6-dehydrokawain ((e)-6-(2',6'-dichlorostyryl)-4-methoxy-5-(methoxymethyl)-2h-pyran-2-one)