Key binding interactions of compounds 5c and 5h with α-glucosidase protein.

Protein	Compound	Protein residue	Interaction unit of compounds	Type of interaction
α-Glucosidase (3TOP)	5c	ARG1311	–NO2	H-Bond
		ASN1792	N of isoxazole	H-Bond
		ARG1730	Quinoxaline, isoxazole	π–alkyl
		ARG1311	–NO2	H-Bond
	5h	ASN1792	O of isoxazole	Carbon H-bond
		ARG1311	Phenyl	π–alkyl
		TYR1787	O of isoxazole	H-Bond
		HIS1727	Quinoxaline	π–π T-shaped
		LEU1794	–Cl	π–alkyl
		ARG1730	Quinoxaline, isoxazole	π–alkyl