2,2-dimethyl-1,3,4-triazabicyclo[4.1.0]heptan-5-one

aziridine-2-carboxylic isopropylidene hydrazide

2,5,7,7-tetramethyl-6H-pyrazolo[1,5-d][1,2,4]triazin-4-one

2,6,7,7-tetramethyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one

3-ethynyl-2-methylnonan-2-ol