N-Nitrosodimethylamine, also known as dimethylnitrosamine, is an organic compound with the formula (CH₃)₂NNO. It is one of the simplest members of a large class of nitrosamines. It is a volatile yellow oil. From Wikipedia
The settlement resolves 93% of the lawsuits alleging that the heartburn drug Zantac caused cancer, with GSK admitting no liability.