In the title compound. C10H9N3. the benzimidazol-2-amine and CH2—C[triple-bond]CH units are not coplanar. with a dihedral angle of 60. https://www.roneverhart.com/HP-Pavilion-15-eg1053cl-15-6-FHD-Touch-Intel-Core-i5-1235U-3-30-GHz-Intel-Iris-Xe-Graphics-12-GB-DDR4-RAM-512-GB-SSD-/