(αR)-Cyclopropaneacetamide-Exatecan
(αR)-Cyclopropaneacetamide-Exatecan (compound 2-A), an Exenotecan derivative, is a cytotoxic agent. (αR)-Cyclopropaneacetamide-Exatecan inhibits U87MG and SK-BR-3 cells proliferation, with IC50s of 8.11 and 2.31 μM.