Table 2:

Best molecular descriptors (MDs) subsets obtained by DELPHOS in the feature selection process.

Subset	MDs		Descriptor Type	Size
M2	MW		Constitutional indices	4
	MWC08		Walk and path counts
	BEHp2		Burden eigenvalues
	RDF105p		RDF descriptors
M3	MW		Constitutional indices	4
	JGI2		2D autocorrelation
	HATs6m	R2e	GETAWAY descriptors
M5	MW		Constitutional indices	5
	IC0		Information indices
	ESpm09x		Edge adjacency indices
	JGI3		2D autocorrelation
	L3s		WHIM descriptors
M25	MW		Constitutional indices	13
	HNar	ECC	Topological indices
	GATs7e		2D autocorrelations
	VEZ1	VEp2	2Dmatrix-based descriptors
	DISPm		Geometrical descriptors
	RDF105p		RDF descriptors
	R8e		GETAWAY descriptors
	B06[N-Br]	B07[C-Cl]	2D atom pairs
	F04[C-C]	F05[O-Cl]	2D atom pairs