[4-Bromo-3-[[2-bromo-5-tri(propan-2-yl)silyloxyphenyl]-dimethylgermyl]phenoxy]-tri(propan-2-yl)silane;1-bromo-3-methylbenzene;3-bromophenol;5-tert-butyl-3'-[tert-butyl(dimethyl)silyl]oxy-5',5',7'-trimethylspiro[2-benzofuran-3,10'-benzo[b][1]benzogermine]-1-one;5-tert-butyl-3',7'-dihydroxy-5',5'-dimethylspiro[2-benzofuran-3,10'-benzo[b][1]benzogermine]-1-one;3-[tert-butyl(dimethyl)silyl]oxy-5,5,7-trimethylbenzo[b][1]benzogermin-10-one;bis(carbon dioxide);chlorochloranuidylethane;3,7-dihydroxy-5,5-dimethylbenzo[b][1]benzogermin-10-one;[3-[dimethyl-[3-tri(propan-2-yl)silyloxyphenyl]germyl]phenoxy]-tri(propan-2-yl)silane