CPC C07K 7/54 (2013.01) | 27 Claims |
1. A compound of a structure
wherein Za1 is X1 or methyl (CH3—),
wherein Za2 is X2 or methyl (CH3—),
wherein Za4 is H or 2-methylpropyl
wherein Za5 is H or 2-methylpropyl
wherein Zb1 is X1 or methyl (CH3—),
wherein Zb2 is X2 or methyl (CH3—),
wherein Zb4 is H or methyl (CH3—),
wherein Zb5 is H or methyl (CH3—),
wherein Zc1 is 2-methylpropyl
or methyl (CH3—),
wherein Zc2 is 2-methylpropyl
or methyl (CH3—),
wherein X1 is selected from the group consisting of ethyl (Et-)
2-propoxy-3-propyl
and (1,3-benzodioxol-5-yl)-methyl
wherein X2 is selected from the group consisting of pentyl
cyclohexylmethyl
and (oxan-4-yl)methyl
and
wherein X3 is selected from the group consisting of methyl
and benzyl
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