https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C15H24O2/c1-11-6-5-9-15(11)10-13(8-7-12(2)16)14(3%2C4)17-15/h6%2C13H%2C5%2C7-10H2%2C1-4H3/t13-%2C15-/m1/s1
4-(2,2,6-Trimethyl-1-oxaspiro[4.4]non-6-en-3-yl)-butan-2-one
https://pubchem.ncbi.nlm.nih.gov/compound/Methyl-8-amino-6-oxaspiro_3.4_octane-8-carboxylate-hydrochloride
Methyl 8-amino-6-oxaspiro[3.4]octane-8-carboxylate hydrochloride - PubChem
Methyl 8-amino-6-oxaspiro[3.4]octane-8-carboxylate hydrochloride chemical information summary.
methylamino
https://pubchem.ncbi.nlm.nih.gov/patent/EP-0418190-A3
Use of 1-oxaspiro(4.4)nonan-2-on as a perfuming agent - Patent EP-0418190-A3 - PubChem
EP-0418190-A3 chemical patent summary.