Bis[3-(2H-benzotriazol-2-yl)-2-(prop-2-yn-yloxy)-5-(2,4,4-trimethyl-pentan-2-yl)phen-yl]methane.

In the title compound, C(47)H(54)N(6)O(2), the C-C-C bond angle between the rings is 108.40 (13)°. One aryl ring aligned at 38.5 (1)° with respect to the N-heterocyclic substituent and the other at 56.0 (1)° with respect to its substituent. In the crystal, adjacent mol-ecules are linked by C-H⋯N hydrogen bonds, forming a chain extending along the a axis.