<chr_abbr type="reg" class="dc" expan="" cert="no">P-til</chr_abbr> m<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr>rchi <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr><chr_abbr type="reg" class="dc" expan="" cert="no">p-til</chr_abbr> u<chr_abbr type="reg" class="dc" expan="" cert="no">re-hbar</chr_abbr> <chr_abbr type="reg" class="sc" expan="gra" cert="no">g-alpha</chr_abbr>eche 