title |
Inhibition of MDR1 in multidrug resistant human A2780/DX3 cells assessed as reduction in doxorubicin IC50 for antiproliferative activity by MTT assay relative to (Z)-8-(4-chlorophenyl)-5-methyl-8-(pent-2-enyl-oxy)-[1,2,4]oxadiazolo[3,4-c][1,4]thiazin-3(8H)-one |