About Levoleucovorin
About KW-2264
About L(-)-5-Formyl-5,6,7,8-tetrahydrofolic acid
About lL-5-Formyltetrahydrofolic acid
About l-LV
About l-Folinic acid
About antitumor drug
About antitumor action
About amino acid
About dicarboxylic acid
About lactam
About aliphatic amine
About aliphatic carboxylic acid