4-n-Butyl-3-(3-methyl-phen-yl)-1H-1,2,4-triazol-5(4H)-one

In the mol-ecule of the title compound, C(13)H(17)N(3)O, the two rings make a dihedral angle of 56.63 (13)°. Mol-ecules are linked by strong N-H⋯O inter-molecular hydrogen bonds into chains running along the c axis.

(R)-1-(4-Bromobenzoyl)-4-(1-phenylpropyl)thiosemicarbazide

The title compound, C₁₇H₁₈BrN₃OS, is an important inter­mediate for the synthesis of biologically active heterocyclic compounds. The thio­urea group is approximately planar. The crystal structure is stabilized by inter­molecular N—H⋯O hydrogen-bonding inter­actions.