Mitomycin Z (9a-O-Demethylmitomycin G) is a member of the mitomycin family with an antitumor activity[1].
References
[1] Kono M, et al. The derivation of 1a-demethylmitomycin G from mitomycin C. J Antibiot (Tokyo). 1990 Apr;43(4):383-90. DOI:10.7164/antibiotics.43.383
7-amino-10-decarbamoyloxy-9-dehydro-7-demethoxymitomycin B Supplier