| abstract |
A novel sulfonic acid derivative compound and a novel naphthalic acid derivative compound suitable as a photoacid generator and a polymerization initiator having high solubility in an organic solvent and good in photosensitivity. (I) (Wherein R 01 , R 04 , R 05 and R 06 represent a hydrogen atom, and any one of R 02 and R 03 may be substituted with an alicyclic hydrocarbon group, a heterocyclic group or a halogen atom, And R < 07 > represents an aliphatic hydrocarbon group having 1 to 18 carbon atoms which may be substituted with a halogen atom and / or an alkylthio group, and the like. |