On this question I have asked how to customize backref to emulate Wikipedia ones. The answer works almost perfect but has a strange behaviour in one case. The problem is with \fullcite. Here an image of how this code works:
The problem is that the circled hyperlink should not appear there because is an hyperlink to itself..
Here I provide the code as a MWE:
\documentclass[12pt,twoside]{report}
\usepackage[headheight=18pt,a4paper, width=150mm, top=25mm, bottom=25mm, bindingoffset=6mm, headsep=18pt]{geometry}
\usepackage[spanish,es-noquoting]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{csquotes} %"para citar bien"
\usepackage{notoccite}
\usepackage{hyperref}
\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@Article{AspuruGuz-thermoQM2014,
Title = {Quantum chemical approach to estimating the thermodynamics of metabolic reactions},
Author = {Jinich, Adrian and Rappoport, Dmitrij and Dunn, Ian and Sanchez-Lengeling, Benjamin and Olivares-Amaya, Roberto and Noor, Elad and Even, Arren Bar and Aspuru-Guzik, Alan},
Year = {2014},
Pages = {7022},
Volume = {4},
Journal = {Scientific reports},
Publisher = {Nature Publishing Group}
}
@Article{glyoxal_reaction,
Title = {Thermodynamics and kinetics of glyoxal dimer formation: a computational study},
Author = {Kua, Jeremy and Hanley, Sean W and De Haan, David O},
Year = {2008},
Number = {1},
Pages = {66--72},
Volume = {112},
Journal = {The Journal of Physical Chemistry A},
Publisher = {ACS Publications}
}
\end{filecontents}
\usepackage[style=numeric-comp, backend=biber]{biblatex}
\DeclareCiteCommand{\supercite}[\mkbibsuperscript]
{\usebibmacro{cite:init}%
\let\multicitedelim=\supercitedelim
\iffieldundef{prenote}
{}
{\BibliographyWarning{Ignoring prenote argument}}%
\iffieldundef{postnote}
{}
{\BibliographyWarning{Ignoring postnote argument}}%
\bibopenbracket}%
{\usebibmacro{citeindex}%
\usebibmacro{cite:comp}}
{}
{\usebibmacro{cite:dump}\bibclosebracket}
\let\cite=\supercite
\makeatletter
\DeclareFieldFormat{bibhypertarget}{%
\bibhypertarget{\thefield{entrykey}:\the\value{instcount}}{#1}}
\renewbibmacro*{cite:comp}{%
\addtocounter{cbx@tempcntb}{1}%
\ifcsundef{cbx@wikibackref@\thefield{entrykey}}
{\csdef{cbx@wikibackref@\thefield{entrykey}}{}}
{}%
\listcsxadd{cbx@wikibackref@\thefield{entrykey}}{\the\value{instcount}}%
\printtext[bibhypertarget]{%
\iffieldundef{shorthand}
{\ifbool{bbx:subentry}
{\iffieldundef{entrysetcount}
{\usebibmacro{cite:comp:comp}}
{\usebibmacro{cite:comp:inset}}}
{\usebibmacro{cite:comp:comp}}}
{\usebibmacro{cite:comp:shand}}}}
\makeatother
\renewbibmacro*{begentry}{\usebibmacro{wikipageref}}
\newcounter{wikirefitemcount}
\renewcommand{\thewikirefitemcount}{\alph{wikirefitemcount}}
\newbibmacro*{wikipageref}{%
\ifcsundef{cbx@wikibackref@\thefield{entrykey}}
{}
{\setcounter{wikirefitemcount}{0}%
\renewcommand*{\do}[1]{\stepcounter{wikirefitemcount}}%
\dolistcsloop{cbx@wikibackref@\thefield{entrykey}}%
\ifnumgreater{\value{wikirefitemcount}}{1}
{\setcounter{wikirefitemcount}{0}%
\renewcommand*{\do}[1]{%
\stepcounter{wikirefitemcount}%
\mkbibsuperscript{%
\bibhyperlink{\thefield{entrykey}:##1}{\thewikirefitemcount}\addspace}}%
$\uparrow$\addspace\dolistcsloop{cbx@wikibackref@\thefield{entrykey}}}
{\renewcommand*{\do}[1]{\bibhyperlink{\thefield{entrykey}:##1}{$\uparrow$}\addspace}%
\dolistcsloop{cbx@wikibackref@\thefield{entrykey}}}}}
\addbibresource{\jobname.bib}
\begin{document}
Example of citation \cite{AspuruGuz-thermoQM2014,glyoxal_reaction} adbfòkm+\fullcite{AspuruGuz-thermoQM2014} afbadf\footfullcite{AspuruGuz-thermoQM2014}
\end{document}
Any idea if it can be solved?

\footfullcite. – moewe Oct 19 '17 at 18:21