the branch of chemistry that deals with the design, development, and manufacture of drugs and pharmaceuticals.

औषधीय रसायन विज्ञान

English Usage: Pharmaceutical chemistry has made significant advancements in drug development over the past few decades.

Hindi Usage: औषधीय रसायन विज्ञान ने पिछले कुछ दशकों में औषधि विकास में महत्वपूर्ण प्रगति की है।