A natural edge: nature still offers the greatest drug diversity.
Reynolds
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D000818:Animals; D000970:Antineoplastic Agents / Q000138:chemical synthesis; D018906:Antineoplastic Agents, Alkylating / Q000138:chemical synthesis; D004149:Dioxoles / Q000138:chemical synthesis; D015507:Drugs, Investigational / Q000138:chemical synthesis; D006801:Humans; D019368:Nature; D010797:Phthalimides / Q000138:chemical synthesis; D014481:United States
D000970:Antineoplastic Agents; D018906:Antineoplastic Agents, Alkylating; D004149:Dioxoles; D015507:Drugs, Investigational; D010797:Phthalimides; C118707:phthalascidin