Didanosine impurity A - 1,7-dihydro-6H-purin-6-one (hypoxanthine)

Didanosine impurity G - 9-(2,3-dideoxy-beta-D-glycero-pentofuranosyl)-9H-purin-6-amine (2',3'-dideoxyadenosine)

Dienestrol

Diethyl phthalate

Diethylcarbamazine citrate

Diethylene glycol (monoethyl ether) - Reference Spectrum

Diethylstilbestrol

Diethylstilbestrol dimethyl ether

Diethylstilbestrol monomethyl ether

Difloxacin hydrochloride