Sk. Ingec et al., Crystal structure of 1-[2-[6-(4-methoxyphenyl)-3(2H)-pyridazinone-2-yl]acetyl]-4-(3-chlorophenyl)piperazine, C23H23ClN4O3, Z KRIST-NEW, 215(3), 2000, pp. 433-434
C23H23ClN4O3, triclinic, P (1) over bar (No. 2), a = 10.044(1) Angstrom, b
= 10.955(2) Angstrom, c = 11.450(2) Angstrom, alpha = 69.161(9)9 beta = 70.
761(5)degrees, gamma = 72.90(1)degrees, V = 1089.1 Angstrom(3), Z = 2, R-gt
(F) = 0.053, wR(ref)(F-2) = 0.157, T = 293 K.