no significant inhibition of transport was caused by choline , choline-o-phosphate , acetylcholine , ethanolamine-o-phosphate , ethanolamine-o-sulfate , methanesulfonyl choline , 2-aminoethane thiosulfate , or the monomethyl or dimethyl analogues of choline-o-sulfate .
C0031716
choline
C0008405
choline