Dopamine hydrochloride

Dopexamine dihydrochloride

Dopexamine impurity B - 2-methoxy-4-[2-[[6-[(2-phenylethyl)hexyl]amino]ethyl]phenol

Dopexamine impurity F - 4-Chloro-5-[2-[[6-[(2-phenylethyl)amino]hexyl]amino]ethyl]benzene-1,2-diol

Dorzolamide for system suitability

Dorzolamide hydrochloride

Dorzolamide impurity A - (4R,6R)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b] thiopyran-2-sulphonamide 7,7-dioxide

Dosulepin hydrochloride

Dosulepin impurity A - (E)-3-(6,11-dihydrodibenzo[b,e]thiepin-11-ylidene)-N,N'-dimethylpropan-1-amine S-oxide

Doxapram hydrochloride