Research Article

RP-HPLC Method for Determination of Several NSAIDs and Their Combination Drugs

Table 1

Chemical classification of NSAIDs.

ClassDrugs

Salicylic acid derivativesAcetylsalicylic acid (aspirin), salicylamide, sodium salicylate
Aniline and p-aminophenol derivatives aniline and p-aminophenol derivativesParacetamol, phenacetin
Pyrazolone derivativesPhenylbutazone, propyphenazone
2-Arylpropionic acids derivatives (profens)Ibuprofen, flurbiprofen, ketoprofen, naproxen
Enolic acid derivativesMeloxicam, piroxicam, tenoxicam, droxicam, lornoxicam
Arylalkanoic acids derivativesIndometacin, diclofenac, aceclofenac, etodolac, nabumetone, sulindac
N-Arylanthranilic acids (fenamic acids)Mefenamic acid, tolfenamic acid, meclofenamic acid, flufenamic acid
Selective COX-2 inhibitors (Coxibs)Celecoxib, rofecoxib, etoricoxib, valdecoxib, parecoxib
Naphthylbutanone derivativesNabumetone
SulphonanilidesNimesulide
Benzoxazocine derivativesNefopam