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Table 1 The structure of compounds 4a–4i

From: Design and synthesis of novel ureido and thioureido conjugated hydrazone derivatives with potent anticancer activity

Compound

Ar

Ar′

x

MW

Formula

4a

O

392.5

C21H17ClN 4O2

4b

S

408.5

C21H17ClN4OS

4c

O

427

C21H16Cl2N4O2

4d

O

470.5

C22H19ClN4O4S

4e

O

437.5

C21H16 Cl N5O4

4f

O

403

C21H17N5O4

4 g

O

481

C22H19N5O6S

4 h

O

427

C21H16Cl2N4O2

4i

O

437

C21H19N5O4S