Umbeliferone or Umbelliferone: How To spell?

The word Umbeliferone is misspelled against Umbelliferone, a noun meaning "A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant (Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbelliferae, as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin."

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