Clarithromycin impurity 14

(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-7-methoxy-10-methoxyimino-3,5,7,9,11,13-hexamethyl-oxacyclot

ClarithroMycin Impurity B

Eplerenone Impurity 14

Sitagliptin Impurity 14

Loratadine Impurity 14

Posaconazole Impurity 14

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-dimethylpentanoyl]-2-methylpyrrolidine-2-carboxylic acid

3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]-2,2-dimethylpropanoic acid

4-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-methylpentanamido}-2-methylbut-2-enoic acid

3-[N-benzyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-phenylpropanamido]propanoic acid

3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]methyl}benzoic acid

3-chloro-5-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]benzoic acid

3-[N-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-3-phenylpropanamido]propanoic acid

3-[(2-cyclopentyl-2-methoxyethyl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

4-(4-cyclobutylpiperidin-1-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-[4-(2-hydroxyethyl)-1,4-diazepan-1-yl]-4-oxobutanoic acid