10H-Thieno(2,3-b)(1,5)benzodiazepine, 2-ethyl-4-(4-propyl-1-piperazinyl)- 2-Ethyl-4-(4-propyl-1-piperazinyl)-10H-thieno(2,3-b)(1,5)benzodiazepine 74162-50-8 BRN 5623348