(E)-5-Benzyl-1-methyl-N-nitro-1,3,5-triazinan-2-imine.

In the title compound, C(11)H(15)N(5)O(2), the 1,3,5-triazine ring exhibits a half-chair conformation. An intra-molecular N-H⋯O inter-action occurs. In the crystal structure, mol-ecules are connected by inter-molecular C-H⋯O and N-H⋯N hydrogen bonds, forming a zigzag chain along the b axis.

[The clinical application of the neurovascular island flap of the calf supported by perforating branches of peroneal artery].

Objective: To study the clinical application of the neurovascular island flap of the calf supported by perforating branches of peroneal artery for the soft tissue defects of ankle and the foot.

Methods: The flaps were used in 27 cases to repair the soft tissue defects of ankle and the lower leg from February 2004 to December 2007. Among them, 21 cases were male and 6 cases were female, ranging in age from 7 months to 64 years, with an average of 31.