s-butyl radical

2,5-二(4-甲基苯基)-1,3,4-恶二唑

3-(4-甲基苯基)-5-苯基-2H-1,2,4-三唑

3-(4-氯苯基)-5-苯基异恶唑

6,7-dimethoxy-2-phenyl-4H-1,3-benzothiazine