InChI=1/C34H58O2Si2/c1-15-19-35-33-23-32(18-22-38(28(9)10,29(11)12)30(13)14)34(36-20-16-2)24-31(33)17-21-37(25(3)4,26(5)6)27(7)8/h23-30H,15-16,19-20H2,1-14H [(2,5-dipropoxy-1,4-phenylene)diethyne-2,1-diyl]bis(triisopropylsilane) silane, [(2,5-dipropoxy-1,4-phenylene)di-2,1-ethynediyl]bis[tris(1-methylethyl)-