Photoresist Chemicals 2,4,6,8,10-Undecapentaenal, 3,4,9,10-tetramethyl-11-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (2E,4E,6E,8E,10E)- Cas：848368-48-9 Molecular Formula：C24H34O