1 41A 5,5-dimethyl-2-morpholin-4-yl-5,6-dihydro-1,3-benzothiazol-7(4h)-one 1.000 2 ZVN 2-(piperazin-1-yl)-1,3-benzothiazole 0.737 3 AWM 2-(4-methylpiperazin-1-yl)-1,3-benzothiazole 0.700