89050-86-2
4H-Pyran-4-one, tetrahydro-3,3,5,5-tetramethyl-,(triphenylphosphoranylidene)hydrazone
→
~74%
89050-89-5
4-diazo-3,3,5,5-tetramethyloxane
89050-79-3
(3,3,5,5-tetramethyloxan-4-ylidene)hydrazine