Ecomustine (CY233) is a nitrosoureido sugar derived from acosamine. Ecomustine shows antitumour activity[1].
References
[1] el Abed I, et al. Chemical stability of ecomustine, a new antitumor agent in aqueous and biological media as assessed by high-performance liquid chromatography. Cancer Chemother Pharmacol. 1991;27(4):295-300. DOI:10.1007/BF00685115