3,4-dimethoxy-benzaldehyde
E/Z-1-(3,4-dimethoxyphenyl)-1,3-butadiene
2,3,4,5-tetrahydropyridine N-oxide
2(E)-(3,4-dimethoxystyryl)-3,3a,4,5,6,7-hexahydro-2H-isoxazolo<2,3-a>pyridine
2(Z)-(3,4-dimethoxystyryl)-3,3a,4,5,6,7-hexahydro-2H-isoxazolo<2,3-a>pyridine