Alkannin is a natural dye that is obtained from the extracts of plants from the borage family Alkanna tinctoria that are found in the south of France.

Ropidoxuridine (IPdR) is a novel, orally available halogenated thymidine analogue that holds promise as a sensitizer for human tumors.

L-Asparaginase (L-?ASNase), a hydrolase that catalyzes the conversion of L-asparagine, used in acute lymphoblastic leukemia treatment.Asparaginase is an enzyme that is used as a medication. As a medication, L-asparaginase is used to treat acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), and non-Hodgkin's lymphoma. It is given by injection into a vein, muscle, or under the skin.