Pemetrexed disodium heptahydrate has the chemical name L-Glutamine acid, N-[4-[2-(2-amino-4,7-dihydro-4-oxo1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-,disodium salt, heptahydrate. It is a white to almost-white solid with a molecular formula of C20H19N5Na2O67H2O and a molecular weight of 597.49. The Structural formula is as follows:
ZINOTECANis a pale yellow to yellow crystalline powder, with the empirical formula C33H38N4O6â€¢HClâ€¢3H2O and a molecular weight of 677.19. It is slightly soluble in water and organic solvents.