拓扑异构酶II抑制剂;Topoisomerase II inhibitor;Pirarubicin (THP) 是一种蒽环类抗生素,为拓扑异构酶 II (topoisomerase II) 的抑制剂,可用于各种癌症尤其是实体瘤的研究。;Pirarubicin is an anthracycline antibiotic, and also a DNA/RNA synthesis inhibitor by intercalating into DNA and interacts with topoisomerase II, used as an antineoplastic agent.