Fig. (8) 5-Azacytidine (70), bis[2-​(2-​hydroxyethoxy)​ethyl] phthalate (71), [2-​(2-​hydroxyethoxy)​ethyl] methyl phthalate (72), [2-​(2-​hydroxyethoxy)​ethyl] phthalate (73) and bis-phthalate 74 [135].