Journal of Analytical Methods in Chemistry / 2014 / Article / Fig 1

Research Article

Global Clustering Quality Coefficient Assessing the Efficiency of PCA Class Assignment

Figure 1

Molecular structures of the main amphetamine analogues: (a) stimulant amphetamines (amphetamine analogues, class M) and (b) hallucinogenic amphetamines (3,4-methylenedioxyamphetamine (MDA) analogues, class T).
342497.fig.001a
(a)
342497.fig.001b
(b)