Synthesis and cytotoxic activity of novel 11-methyl-6H-pyrido[4,3-b]carbazole derivatives linked to amine, N-methylurea, and N-methyl-N-nitrosourea moieties with various types of carbamoyl tethers at the C-5 atom
Keywords: Ellipticine; 6H-Pyrido[4,3-b]carbazole; Synthesis; Cytotoxic activity; Cell selectivity; Odd-even effect; Sarcoma-180; HeLa S-3; NIH3T3; L1210;