Rubitecan
Rubitecan is a pyranoindolizinoquinoline that is camptothecin in which the hydrogen at position 9 has been replaced by a nitro group. It is a prodrug for 9-aminocamptothecin. It has a role as an antineoplastic agent, an EC 5.99.1.2 (DNA topoisomerase) inhibitor and a prodrug. It is a pyranoindolizinoquinoline, a C-nitro compound, a semisynthetic derivative, a tertiary alcohol and a delta-lactone.