Novel compound and organic electroluminescent element

This compound is represented by formula (1) (one or more of pairs among R 12 and R 13 , R 13 and R 14 , R 14 and R 15 , R 16 and R 17 , R 17 and R 18 , and R 18 and R 19 each independently form a ring represented by formula (2A) or a ring represented by formula (2B), or does not form a ring represented by formula (2A) and does not form a ring represented by formula (2B), and one of R 12 -R 28 represents a bond with L 2 ).