1-Azabicyclo(2.2.2)oct-3-yl alpha-(4-bromophenyl)-alpha-hydroxy-2-thiopheneacetate 134637-07-3 2-Thienyl-4-Br-QNB 2-Thiopheneacetic acid, alpha-(4-bromophenyl)-alpha-hydroxy-, 1-azabicyclo(2.2.2)oct-3-yl ester Quinuclidinyl-2-thienyl-4-bromobenzilate