1H-Phenanthro(9,10-b)azirine, 1a,9b-dihydro-1-pentyl- 1a,9b-Dihydro-1-pentyl-1H-phenanthro(9,10-b)azirine 91540-29-3 BRN 4469451 CCRIS 2137 N-Pentylphenanthrene 9,10-imine