Model NO.：C8H9NO2 or HOC6H4NHCOCH3

Model NO.：C13H18O2

Model NO.：C9H8O4 or CH3COOC6H4COOH or HC9H7O4

Model NO.：C13H16N3NaO4S

Model NO.：C16H14O3

Model NO.：C15H13N3O4S