Abstract C 21 H 27 N 5 O 12 Co, triclinic, P 1 ̅ P1, a = 7. 9684 (3) Å, b = 12. 7583 (4) Å, c = 13. 0763 (4) Å, α = 91. 590 (3) °, β = 99. 707 (3) °, γ = 101. 798 (3) °, V = 1279. 99 (8) Å 3, Z = 2, R gt (F) = 0. 0906, wR ref (F 2) = 0. 0928, T = 293 (2) K.
Yin et al. (Fri,) studied this question.