Atropine EP Impurity D and E (Mixture of 6-beta-Hydroxyhyoscyamine and 7-beta-Hydroxyhyoscyamine);
化学名:
(1R,3S,5R,6S)-6-hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl (S)-3-hydroxy-2-phenylpropanoate and (1S,3R,5S,6R)-6-hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl (S)-3-hydroxy-2-phenylpropanoate;
Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone);
化学名:
4-(1-methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-one and 4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-ol, fumarate;
(2S,5R,6R)-6-[[(2R)-[(2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl][[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid(ozolamide of 6-APAdimer).;