The invention provides a composition which comprises an apolar medium and a tracer compound, which tracer compound comprises a hydrophobic group and an oligonucleotide. Various uses of the tracer compound are also described.
本发明提供了一种由极性介质和示踪化合物组成的组合物,示踪化合物由疏
水基团和寡核苷酸组成。本发明还描述了示踪化合物的各种用途。