4,5,6,9-tetrahydrothieno[2,3-f]indolizin-7(4aH)-one InChI=1/C10H11NOS/c12-10-2-1-8-5-7-3-4-13-9(7)6-11(8)10/h3-4,8H,1-2,5-6H thieno[2,3-f]indolizin-7(4aH)-one, 4,5,6,9-tetrahydro-