(E)-1-(4-(2-methyl-10h-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)ethanone 1g

(E)-1-(4-(2-methyl-10h-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)ethanone 1g