摘要
In the title molecule, C 25 H 20 N 3 O 2 P, the dihedral angle between the mean planes of the benzotriazol ring system and the N-bonded benzene ring is 45.8 (2)°. All but one of the angles at the P atom show slight distortions from an ideal tetra-hedral geometry. © 2009 Liu et al.