Synthesis of diarylpentadienones and pyrazoline derivatives as potential α-glucosidase inhibitor and their antioxidant activities by Adam, Faruk Auwal, Md Razali, Mohammad Aidiel, Rukayardi, Yaya, Mastuki, Siti Nurulhuda, Wei, Leong Sze, Mad Nasir, Nadiah, Mohd Faudzi, Siti Munirah