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We show the manifolds at infinity of the complex hyperbolic triangle groups$\Delta_{3,4,4;\infty}$ and $\Delta_{3,4,6;\infty}$,are one-cusped hyperbolic3-manifolds $m038$ and $s090$ in the Snappy Census respectively.That is,thesetwo manifolds admit spherical CR uniformizations.  Moreover, these two hyperbolic 3-manifolds above can be obtained by Dehnsurgeries on the first cusp of the two-cusped hyperbolic 3-manifold $m295$ inthe Snappy Census with slopes $2$ and $4$ respectively. In general,the mainresult in this paper allow us to conjecture that the manifold at infinity ofthe complex hyperbolic triangle group $\Delta_{3,4,n;\infty}$ is the one-cuspedhyperbolic 3-manifold obtained by Dehn surgery on the first cusp of $m295$ withslope $n-2$.

Three-manifolds at infinity of complex hyperbolic orbifolds