2-110 unacceptable_atom Si 2-120 unacceptable_atom Si 2-121 unacceptable_atom Si 2-130 unacceptable_atom Si 2-133 unacceptable_atom Si 2-134 unacceptable_atom Si 2-136 unacceptable_atom B 2-138 unacceptable_atom B 2-143 unacceptable_atom B 2-144 unacceptable_atom B 2-145 unacceptable_atom B 2-153 unacceptable_atom B 2-163 unacceptable_atom Si 2-164 unacceptable_atom Si 2-175 unacceptable_atom B 2-189 unacceptable_atom Si 2-190 unacceptable_atom Si 2-200 unacceptable_atom Si 2-252 unacceptable_atom Si 2-253 unacceptable_atom Si 2-254 unacceptable_atom Si 2-255 unacceptable_atom B 2-256 unacceptable_atom B 2-257 unacceptable_atom B 2-263 unacceptable_atom B 2-289 unacceptable_atom Si 2-361 unacceptable_atom Si 2-401 unacceptable_atom Si 2-422 unacceptable_atom B 4-129 unacceptable_atom B 4-142 unacceptable_atom Si 4-143 unacceptable_atom Si 4-146 unacceptable_atom Si 4-148 unacceptable_atom Si 4-154 unacceptable_atom Si 4-156 unacceptable_atom Si 4-172 unacceptable_atom Si 4-196 unacceptable_atom Si 4-212 unacceptable_atom Si 4-234 Triflates < 0 or > 0 4-238 unacceptable_atom Si 4-239 unacceptable_atom Si 4-252 unacceptable_atom B 4-254 unacceptable_atom Si 4-258 unacceptable_atom Si 4-265 unacceptable_atom Si 4-272 unacceptable_atom Si 4-276 unacceptable_atom Si 4-284 unacceptable_atom B 4-287 unacceptable_atom Si 4-290 unacceptable_atom Si 4-291 unacceptable_atom Si 4-299 unacceptable_atom B 9-101 unacceptable_atom Si