Erlotinib is a directly acting inhibitor EGFR tyrosine kinase inhibitor with an IC50 of 2 nM for human EGFR. Erlotinib-D6 is a deuterium labeled Erlotinib (T0373).
Erlotinib-13C6 is a 13C-labeled Erlotinib. Erlotinib (T0373) is a directly acting EGFR tyrosine kinase inhibitor,with an IC50 of 2 nM for human EGFR[1].