1 naphthyl acetate 1 2 naphthyl acetate 1 4 nitrophenyl acetate 1 Animals 1 Azinphos-methyl 1 Azinphosmethyl 1 Biomphalaria 1 Biomphalaria glabrata 1 Carboxylesterase 1 Carboxylesterases 1 Cholinesterases 1 Enzyme Activation 1 Freshwater invertebrate 1 Gastropoda 1 Invertebrata 1 Pesticides 1 Water Pollutants, Chemical 1 acetic acid derivative 1 acetylthiocholine 1 animal experiment 1 animal tissue 1 article 1 azinphos methyl 1 bioaccumulation 1 biomarker 1 butyric acid 4 nitrophenyl ester 1 butyric acid derivative 1 butyrylthiocholine 1 carbamate (ester) 1 carboxylesterase 1