Pink oblong pill with G3720 on one side and scored on the other?

It is very difficult to define a pill simply by the number it has on the side. The numbers mainly serve as an identifier for the companies to organize and keep track of the different drugs. As many different companies use different identifier systems, it is hard to tell what drug you have by simply knowing the number written on the side.

You can do a search in certain pharmaceutical databases to find it. I have done it for you this time and found it to be Lorazepam 1mg. It is a powerful anxiolytic and its principal use is in treating the symptom of anxiety.

GG 92 pill is 1mg Lorazepam (its generic version manufactured by Sandoz Pharmaceuticals, formerly Geneva Pharmaceuticals). It is a tranquilizer.