Research Article

QSAR Study of (5-Nitroheteroaryl-1,3,4-Thiadiazole-2-yl) Piperazinyl Derivatives to Predict New Similar Compounds as Antileishmanial Agents

Table 5

Observed and predicted values of pIC50 according to different methods.

pIC50 (calc.)pIC50 (calc.)
N°pIC50 (obs.)MLRMNLRANNN°pIC50 (obs.)MLRMNLRANN

14.9324.5734.5354.922194.5924.7554.7344.940
24.9694.7414.7244.793205.0294.9595.0074.504
4.8804.4974.5764.713214.7974.6314.7033.690
4.5814.7184.7044.865223.9834.4444.5634.115
54.7174.2424.2784.828233.9554.0194.0984.120
64.9214.6794.6514.607244.6384.1404.2685.163
74.8824.7224.7294.276254.4824.1994.3294.432
84.6024.9694.9994.534265.0004.8214.8594.645
94.4634.9304.8094.366274.9594.3424.3775.024
4.2224.9164.7945.324284.4824.6854.5374.390
4.6184.9084.7864.471295.0464.4794.3544.030
124.5494.7754.7734.718304.0974.4484.3594.114
134.6244.8644.7884.894314.0224.1564.2903.138
144.6084.9064.7725.012324.0314.1364.2654.940
154.9834.7494.7214.833333.1553.4713.2364.504
164.6934.6324.7174.116343.2223.7393.5602.409
4.7484.5854.6774.975354.1434.4364.4974.216
4.3674.9364.8474.408364.3194.2544.3654.231

set.