1 8WU (E)-1-(5-methoxy-2,2-dimethyl-chromen-8-yl)-3-(4-methoxy-3-oxidanyl-phenyl)prop-2-en-1-one 1.000 2 8X0 (E)-1-(5-methoxy-2,2-dimethyl-chromen-8-yl)-3-(4-methoxyphenyl)prop-2-en-1-one 0.963 3 Y50 E-3-(3-azanyl-4-methoxy-phenyl)-1-(5-methoxy-2,2-dimethyl-chromen-8-yl)prop-2-en-1-one 0.929