Patent ID: 11912696
Assignee: PROMEGA CORPORATION
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C

Claim 0:
1. A compound of formula (I):, or a salt thereof, wherein:
R1 is selected from —CN and, R2 is selected from hydrogen and halo;
R3 is selected from hydrogen, C1-C6 alkyl, and hydroxy-C1-C6-alkyl;
n is 0, 1, 2, or 3;
each R4 is independently selected from C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 heteroalkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C1-C6 haloalkoxy, halo, hydroxy, amino, cyano, nitro, —COORa, and —CONRbRc;
R5 is selected from hydrogen and C1-C4 alkyl; and
Ra, Rb, and Rc are each independently selected from hydrogen, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, and C1-C6 heteroalkyl.