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Leflunomide

Chemical name : 5-Methyl-N-[4-(trifluoro methyl)phenyl]isoxazole-4-carboxamide

Mol. Formula : C12H9F3N2O 2

Mol. Weight : 270.2

Leflunomide Impurity A (EP)

Code : VL140001

Chemical name : 4-(Trifluoromethyl)aniline

Lansoprazole (EP/BP)

Chemical name : 2-[(RS)-[[3-Methyl-4-(2,2,2-trifluoro ethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole

Mol. Formula : C16H14F3N3O2S

Mol. Weight : 369.36

Lansoprazole Impurity Sulfone

Code : VL020001

Chemical name : 2-[[[3-methyl-4-(2,2,2-trifluoro ethoxy) pyridin-2-yl]methyl]sulphonyl]-1Hbenzimidazole
Lansoprazole Impurity N-Oxide

Code : VL020002

Chemical name : 2-[(RS)-[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole
Lansoprazole Impurity Sulfone N-Oxide

Code : VL020003

Chemical name : 2-[[[3-Methyl-1-oxido-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfonyl]-1H-benzimidazole
Lansoprazole Impurity sodium

Code : VL020004

Chemical name : 2-[[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl]-1H-benzoimidazole sodium salt
Lansoprazole Impurity Sulfide

Code : VL020005

Chemical name : 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy) pyridin-2-yl]methyl]sulphanyl]-1Hbenzimidazole
Lansoprazole Impurity Sulfide N-Oxide

Code : VL020006

Chemical name : 2-[[[3-Methyl-4-(2,2,2-trifluoro ethoxy) -2-pyridinyl]methyl]thio]-1H-benzimidazole N-Oxide
Lansoprazole impurity intermediate-LS 1

Code : VL020007

Chemical name : 2-(Chloromethyl)-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride
Lansoprazole Impurity-intermediate-LS 2

Code : VL020009

Chemical name : 2,3-dimethyl-4-nitropyridine-N-oxide

Lamotrigine

Chemical name : 6-(2,3-dichlorophenyl)-1,2,4-triazine-3,5-diamine

Mol. Formula : C9H7Cl2N5

Mol. Weight : 256.1

Lamotrigine Impurity A (EP)

Code : VL010001

Chemical name : (3-amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-5(4H)-one)
Lamotrigine Impurity B (EP)

Code : VL010002

Chemical name : N-[5-Amino-6-(2, 3-dichlorophenyl)-1, 2, 4-triazin-3-yl]-2,3-dichloro benzamide
Lamotrigine Impurity C (EP)

Code : VL010003

Chemical name : 2-(2,3-dichlorophenyl)-2- (aminoguanidine)acetonitrile
Lamotrigine Impurity D (EP)

Code : VL010004

Chemical name : 6-(2,3-dichlorophenyl)-1,2,4- triazine-3,5(2H,4H)-dione
Lamotrigine Impurity E (EP)

Code : VL010005

Chemical name : 2,3-dichlorobenzoic acid
Lamotrigine Impurity F (EP)

Code : VL010006

Chemical name : N-[5-amino-6-(2,3-dichloro phenyl)-1,2,4-triazin-3-yl]-2,3-dichlorobenzamide
Lamotrigine Impurity G (EP)

Code : VL010007

Chemical name : (6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine)

Lamivudin

Chemical name : 4-Amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one

Mol. Formula : C8H11N3O3S

Mol. Weight : 229.3

Lamivudin Impurity C (EP)

Code : VL120001

Chemical name : 2-Hydroxybenzoic acid
Lamivudin Impurity E (EP)

Code : VL120002

Chemical name : 4-aminopyrimidin-2(1H)-one
Lamivudin Impurity F (EP)

Code : VL120003

Chemical name : pyrimidine-2,4(1H,3H)-dionene

Lacosamide

Chemical name : N2-acetyl-N-benzyl-D-homoserinamid

Mol. Formula : C13H18N2O3

Mol. Weight : 250.29

Lacosamide Impurity A

Code : VL100001

Chemical name : (R)-N-Benzyl-2-N-Boc-amino-3-methoxypropionamide
Lacosamide Impurity B

Code : VL100002

Chemical name : (R)-2-Amino-N-benzyl-3-methoxypropionamide
Lacosamide Impurity C

Code : VL100003

Chemical name : (R)-2-Amino-N-benzyl-3-methoxypropionamide
Lacosamide Impurity D

Code : VL100004

Chemical name : 2(R)-Acetamido-N-benzyl-3-hyoxypropionamide
Lacosamide Impurity E

Code : VL100005

Chemical name : 2(R)-(Acetylamino)-3-(benzylamino)-3-oxopropyl acetate
Lacosamide Impurity F

Code : VL100006

Chemical name : 2(R)-Propionylamino-N-benzyl-3-methoxypropionamide
Lacosamide Impurity G

Code : VL100007

Chemical name : 1,3-Diisopropylurea
Lacosamide Impurity H

Code : VL100008

Chemical name : 2(S)-Acetamido-N-benzyl-3-methoxypropionamide

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