No

H-R1

H-R2

No

H-R1

H-R2

1

H-CH2CH2OH

NH2CH2CH2NHCH2CH2OH

11

HCH2CH2NEt2

NH2CH2CH2NH2

2

H-CH2CH2OH

NH2CH2CH2NEt2

12

HCH2CH2NEt2

NH2CH2CH2NHMe

3

H-CH2CH2NH2

NH2CH2CH2NHCH2CH2OH

13

HCH2CH2NEt2

NH2CH2CH2NHCH2CH2OH

4

HCH2CH2NHCH2CH2OH

NH2CH3

14

HCH2CH2NEt2

NH2CH2CH2NEt2

5

HCH2CH2NHCH2CH2OH

NH2CH2CH2OH

15

HCH2CH2NEt2

NH2(CH2) 3NEt2

6

HCH2CH2NHCH2CH2OH

NH2CH2CH2NH2

16

HCH2CH2NEt2

NH2(CH2) 4NEt2

7

HCH2CH2NHCH2CH2OH

NH2CH2CH2NHCH2CH2OH

17

HCH2CH2NEt2

NH2(CH2)7NEt2

8

HCH2CH2NHCH2CH2OH

NH2CH2CH2NMe2

18

HCH2CH2NEt2

NH2CH2CH2-c-(CH2CH2)2O

9

HCH2CH2NHCH2CH2OH

NH2CH2CH2NEt2

19

HCH2CH2NEt2

NH2CH2CH2-c-N(CH2CH2)2NH

10

HCH2CH2NEt2

NH2(CH2)5CH3

20

HCH2CH2NEt2

NH2CH2CH2-c-N(CH2CH2)2NCbz