3-ethoxy-3-methyl-9-oxido-1H-furo[3,4-b]quinoxalin-4-ium 4-oxide

2,6-ditert-butyl-4-(5,5-dimethyl-1,3-dioxan-2-yl)phenol

1,3,5-trimethyl-2-(4-methylphenyl)sulfonylbenzene