these compounds as well as [ ( r ) -2-amino-1-methoxyethyl ] alpha-d-glucopyranoside ( 1 ) prepared earlier are resistant against alpha-d-glucosidase ( maltase , alpha-d-glucoside glucohydrolase , e.c . 3.2.1.20 ) from yeast , yet undergo hydrolysis under relatively mild acidic conditions .
C0017764
glucosidase
C0002272
maltase