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Table 7 Eight MDL descriptors selected for modeling.

From: New public QSAR model for carcinogenicity

MDL_ID Descriptor Code

Symbol

Definition

MDL005

SdsCH

Sum of all (= CH -) E-State values in molecule

MDL051

SdssC_acnt

Count of all (= C <) groups in molecule

MDL062

SdsN_acnt

Count of all (= N) groups in molecule

MDL114

dxp9

Difference simple 9th order path chi indices

MDL130

nxch6

Number of 6-membered rings

MDL187

Gmin

Smallest atom E-State value in molecule

MDL190

SHCsats

Sum of hydrogen E-State on sp3 C on saturated bond

MDL210

SHBint2_Acnt

Count of internal hydrogen bonds with 2 skeletal bonds between donor and acceptor