187Tl 188Tl 189Tl 190Tl 191Tl 192Tl 193Tl 194Tl 195Tl 196Tl 197Tl 198Tl 199Tl 200Tl 201Tl 202Tl 203Tl 204Tl 205Tl 206Tl 207Tl 208Tl