Erratum

for: Pharmacological Reports, 2011, 63, no. 2

In the article: “Natural and synthetic acridines/acridones as antitumor agents: their biological activities and

methods of synthesis” by Grzegorz Cholewiñski, Krystyna Dzierzbicka, Aleksander M. Ko³odziejczyk, Pharmacol

Rep, 2011, 63, 2, 305–336, Figure 4 was printed incorrectly.

The correct Figure 4 is presented below:

The online version has been also corrected.

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28e: R = NH-(CH ) -NMe

28f: R = NH-(CH ) -NMe

28g: R = NH-(CH ) -NH

28h: R = NH-(CH ) -NH

28i: R = NH-(CH ) -NH-(CH ) -NH

28j: R = NH-(CH ) -OH

28k: R = NH-C H

NH

R 27a-d

OMe

Cl

N

27a: R =O

O-N=CH

OH

HOHO

HO

27b: R =O

O-N=CH

OH

HOHO

HO

OO-N=CH

OH

HOO

HO

O

OH

OHOH

HO27c: R =

OO-N=CH

OH

HOO

HO

O

OH

OH

O

HO

O

OH

OH

HOHO

27d: R =

N

R28e-k

O

Cl

N

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