Nombre del producto:tert-Butyl 2'-(tert-butyl)-7'-oxo-6',7'-dihydro-2'H-spiro[piperidine-4,5'-pyrano[3,2-c]pyrazole]-1-carboxylate
IUPAC Name:tert-butyl 2'-tert-butyl-7'-oxo-6',7'-dihydro-2'H-spiro[piperidine-4,5'-pyrano[3,2-c]pyrazole]-1-carboxylate