DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL

1-METHOXY-3-(2-NITROPROP-1-ENYL)BENZENE

1-METHOXY-1-METHYLAMINO-2-NITROETHYLENE

N-METHYL-N-2-NITROPHENYLHYDRAZINE

1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE