Compound

Benzophenone (1)

2,6-diisopropylnapthalene (2)

2,7-diisopropyl naphthalene (3)

m-terphenyl (4)

o-terphenyl (5)

% recovery

85.5 ± 5

91 ± 4

93 ± 2

93.5 ± 2

80.5 ± 4