3509165 HuBChE human butyrylcholinesterase 32 3509169 Hu BChE Human serum butyrylcholinesterase 16 2145837 HuBuChE human butyrylcholinesterase 11 2030627 hBChE human serum butyrylcholinesterase 4 2968049 hBuChE human serum butyrylcholinesterase 2 2030626 H.BChE human serum butyrylcholinesterase 1