Pyrogalic or Pyrogallic: How To spell?

The word Pyrogalic is misspelled against Pyrogallic, an adjective meaning "Pertaining to, derived from, or designating, an acid called pyrogallol. See Pyrogallol."

Pyrogallic has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pyroga & ic which should not be misspelled with single 'L'
Wrong Spelling:  pyroga-l-ic 
Correct Spelling:  pyroga-ll-ic 
Find more incorrect spellings of Pyrogallic to spell right way.