Abstract C 23 H 18 Br 3 N 2 O 2, triclinic, P 1 ‾ 1 (no. 2), a = 7. 9065 (3) Å, b = 12. 1603 (4) Å, c = 13. 4372 (5) Å, α = 64. 487 (3) °, β = 84. 236 (3) °, γ = 87. 261 (3) °, V = 1160. 04 (8) Å 3, Z = 2, R gt (F) = 0. 0431, wR ref (F 2) = 0. 1180, T = 295. 6 K.
Zhao et al. (Thu,) studied this question.