IUPAC:{difluoro[6-(1-phenylethenyl)-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaen-3-yl]methyl}phosphonic acid
IUPAC:{difluoro[6-(1-phenylethenyl)-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaen-3-yl]methyl}phosphonic acid