GABAPENTIN

1,1-Cyclohexanediacetic acid

1,1-Cyclohexanediacetic anhydride

1,1-Cyclohexanediacetic acid monoamide

GATIFLOXACIN

3-Hydroxy-2,4,5-trifluorbenzoic acid

3-Methoxy-2,4,5-trifluorobenoic acid

alpha-(3-Methoxy-2,4,5-trifluorobenzoyl)-beta-cyclopropylamine-carylic acid ethyl ester

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinoline carboxylic acid ethyl ester

 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinoline carboxylic acid

GANCICLOVIR

Triacetyl methoxyglycerin

Triacetyl ganciclovir

Diacetyl ganciclovir

GEMCITABINE

 Ethyl-(3R,S)-2,2-difluoro-3-(2,2-dimethyl dioxolan-4-yl) propionate

3',5'-Dibenzoyloxy-2'-deoxy-2',2'-difluoro-1-oxoribose