英文别名Esomeprazole Impurity 22; 4-METHOXY-2,3,5-COLLIDINE N-OXIDE; 4-methoxy-2,3,5-trimethyl-1-oxidopyridin-1-ium; Omeprazole Impurity 4; Pyridine, 4-methoxy-2,3,5-trimethyl-, 1-oxide; Omeprazole Related Compound 6; Esomeprazole Sodium Impurity 37; 2,3,5-Trimethyl-4-methoxypyridine N-oxide 
