https://pubchem.ncbi.nlm.nih.gov/compound/3_6_-dihydroxy-5_or-6_-isothiocyanatospiro_isobenzofuran-1_3H_9_-_9H_xanthene_-3-one
3',6'-dihydroxy-5(or 6)-isothiocyanatospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one - PubChem
3',6'-dihydroxy-5(or 6)-isothiocyanatospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one chemical information summary.
https://pubchem.ncbi.nlm.nih.gov/patent/EP-0013111-B1
3'-(substituted phenyl)-spiro(isobenzofuran-1(3h),5'(4'h)-isoxazol)-3-ones, process for their...
EP-0013111-B1 chemical patent summary.
https://pubchem.ncbi.nlm.nih.gov/compound/6_-_Diethylamino_-3_-methyl-2_-_phenylamino_spiro_isobenzofuran-1_3H_9_-_9H_xanthen_-3-one
6'-(Diethylamino)-3'-methyl-2'-(phenylamino)spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one -...
6'-(Diethylamino)-3'-methyl-2'-(phenylamino)spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one chemical information summary.