Table 3.

Chemical structures of alkaloidal compounds with antimicrobial activity against MDR bacteria.

Chemical structure	Active against	Ref.
	MRSA, E. coli, S. aureus	[104–106]
	E. coli, MRSA, synergistic action against Staphylococcus spp.	[25, 107, 108]
	MRSA	[109]
	S. aureus, E. faeclis, P. aeruginosa, E. coli	[110]
	P. aeruginosaA. baumannii	[111, 112]
	M. tuberculosis	[113]
	E. coli	[114]