Date rape ***** may soon be a thing of the past Researchers from the National University of Singapore have found a way to quickly detect GHB (Gamma-Hydroxybutyric acid,) also k**wn as a “date rape drug” alongside Rohyp**l (roofies), Time reveals. Once mixed with a beverage that contains GHB, the newly discovered liquid changes into a fluorescent orange color in less than 30 seconds.