2'-(2-hydroxyphenyl)-[2,4'-bibenzoxazole]-4-carboxylic acid, methyl ester
UK 1 is an unusual bis-benzoxazole metabolite isolated from a species of Streptomyces. UK 1 exhibits good antitumor activity but is devoid of anti-micro MSTl activity. UK 1 acts as a magnesium ion-dependent DNA binding agent and inhibitor of human topoisomerase II.
Research or further manufacturing use only, not for food or drug use.