1-ethyl 2-methyl 6-acetyl-4-butyl-3-hydroxyphthalate
diethyl 6-acetyl-4-ethyl-3-hydroxyphthalate
1-ethyl 2-methyl 6-acetyl-3-hydroxy-4-methylphthalate
2-ethyl 1-methyl 3-acetyl-6-hydroxyphthalate
1-ethyl 2-methyl 6-acetyl-4-hexyl-3-hydroxyphthalate