Photoresist Chemicals 68401-05-8 C25H28O6 (S)-2-[5-[(E)-3,7-Dimethyl-2,6-octadienyl]-2,4-dihydroxyphenyl]-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one Cas：68401-05-8 Molecular Formula：C25H28O6