eloise parry , known as ella , died after swallowing the highly-toxic substance known as dinitrophenol , or dnp .
after accidentally taking the lethal dose on april 12 , she began feeling unwell at around lunchtime - and drove herself to the royal shrewsbury hospital .
eloise parry , known as ella , ` burned up from the inside ' after swallowing the highly-toxic substance known as dnp .