1-Piperazineethanol, 4-(2-ethyl-10H-thieno(2,3-b)(1,5)benzodiazepin-4-yl)- 4-(2-Ethyl-10H-thieno(2,3-b)(1,5)benzodiazepin-4-yl)-1-piperazineethanol 61326-15-6 BRN 1038407