The invention provides coelenterazine derivatives which are substrates for a non-luminescent enzyme and a pro-substrate for a luminescent enzyme. The invention also provides a method of using the derivatives.
                            这项发明提供了能够作为非发光酶的底物和发光酶的前体底物的腔
肠菌素衍
生物。该发明还提供了使用这些衍
生物的方法。