H3C\N<|CH3>/\/\N<_(y.5)H>/`|O|\O/\<|0HCl>/CH3

/N`^+<_q4><_p4H>/\/\N<|H|0Cl^->/`|O|\O/\/

{n-Pr}O-C<`||O>-NH-(CH2)3-C{Me}2_(x-3,y1.5,N0)HCl