【有机光伏 OPV】CAS:2409474-57-1|Stannane, 1,1'-[4,8-bis[5-(2-ethylhexyl)thieno[3,2-b]thien-2-yl]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl]bis[1,1,1-trimethyl-, polymer with 5,7-dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxin