In organic chemistry, a pyrrole is a five membered aromatic ring, 4 elements of which are carbonatoms, one element of which is a nitrogen atom. The molecular formula for a pyrrole is C4NH5. The structure is:
... 1888) was a Roman Catholic priest who dedicated his life to ministering to the sufferers of Hansen's disease (leprosy) who lived on the island of Molokai, Hawaii.
He was ...