---

CC(C)(C)N1B([H])([H])C2=CC=CC=C2C1

[N-]=[N]=C(C1=CC=CC=C1)C2=CC=CC=C2

CC(C)(C)N1[B@@](C(C2=CC=CC=C2)C3=CC=CC=C3)([H])C4=CC=CC=C4C1