Canna~Fangled Abstracts HU-331, a novel cannabinoid-based anticancer topoisomerase II inhibitor. 2007 Jan;6(1):173-83. HU-331, a novel cannabinoid-based anticancer topoisomerase II inhibitor. Kogan NM1, Schlesinger M, Priel E, Rabinowitz R, Berenshtein…Freedom WaresJanuary 6, 2007