3-(1,2-Diphenylethyl)-1,4,5,6-tetrahydro-1,2,4-triazine

1,4,5,6-Tetrahydro-3-(1,2-diphenylethyl)-1,2,4-triazine

3-(1,2-diphenylethyl)-1,2,5,6-tetrahydro-1,2,4-triazine