1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(naphthalen-1-yl)cyclohex-1-ene-1,3-dicarboxylate 1g

1,3-Dimethyl 5,5-dicyano-2-hydroxy-4,6-bis(naphthalen-1-yl)cyclohex-1-ene-1,3-dicarboxylate 1g