InChI=1/C24H38Si/c1-18(2,3)21-22(19(4,5)6)23(21,20(7,8)9)24(21,22)25(10,11)17-15-13-12-14-16-17/h12-16H,1-11H dimethyl(phenyl)(2,3,4-tri-tert-butyltricyclo[1.1.0.0~2,4~]but-1-yl)silane silane, dimethylphenyl[2,3,4-tris(1,1-dimethylethyl)tricyclo[1.1.0.0~2,4~]but-1-yl]-