3k

185

EtOH

White

45

C18H17N5O2S

355

59.17

(59.3)

4.10

(4.4)

19.17

(19.3)

3l

299

Dioxan

Yellow

40

C16H12N5OSCl

357.5

53.70

(53.9)

3.35

(3.4)

19.58

(19.7)

3m

>360

DMF/EtOH

Yellow

65

C21H19N9O2S

443

54.19

(54.2)

4.08

(4.4)

21.07

(21.3)