In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called On labeling with generator nuclides, published in 1983, which mentions a compound: 616-14-8, Name is 1-Iodo-2-methylbutane, Molecular C5H11I, Application of 616-14-8.
Short-lived radioisotopes separated from radionuclide generators are widely used. The possibilities of labeling with the daughter nuclides of the com. available Mo/Tc-, Sn/In- and Te/I- generators and of the self-made Ba/La-generator in industrial tracer experiments are presented. The transfer of the daughter nuclides from the generator eluates into organic phases and the labeling of oil-phases and solid particles were investigated. The simple, quick, and efficient methods developed are suitable for routine application under industrial conditions. Some examples of industrial applications of the generator nuclides are given.
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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem