3.2.1.118 2-mercaptoethanol weak inhibition 63 3.2.1.118 castanospermine PH I and PH IIb, competitive 740 3.2.1.118 DTT weak inhibition 177 3.2.1.118 iodoacetamide weak inhibition 67 3.2.1.118 iodoacetic acid weak inhibition 213 3.2.1.118 Mandelamide weak inhibition 30169 3.2.1.118 Mandelic acid weak inhibition 5573 3.2.1.118 additional information little or no inhibition by Cu2+, Mg2+, Zn2+, Pb2+, Fe2+, Fe3+, Ag2+, no inhibition by diethyldithiocarbamate, 1,10-phenanthroline, 2,2'-dipyridyl or EDTA 2 3.2.1.118 p-chloromercuriphenylsulfonate weak inhibition 1650 3.2.1.118 p-hydroxymandelic acid weak inhibition 94610