135586-95-7 4'-((Ethoxymethylene)amino)spiro(cyclohexane-1,2'(1'H)-naphthalene)-3'-carbonitrile 4-Propionylamino-3-cyano-1,2-dihydrospiro(naphthalene-2,1'-cyclohexane) BRN 5349668 Spiro(cyclohexane-1,2'(1'H)-naphthalene)-3'-carbonitrile, 4'-((ethoxymethylene)amino)-