The molecule with the SMILES [203Tl] can be described as:
The molecule is the stable isotope of thallium with relative atomic mass 202.9723. The least abundant (29.524 atom percent) isotope of naturally occurring thallium.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} can be described {#by|as!}:
{description#}
[203Tl]
thallium-203
The molecule is the stable isotope of thallium with relative atomic mass 202.9723. The least abundant (29.524 atom percent) isotope of naturally occurring thallium.