An empirical formula is elaborated after the chemical analysis of a compound; for a structural formula more in depth studies are necessary.
It has to do with the shape molecular formula of the compound that it is created from.
Psychology from an Empirical Standpoint was created in 1874.
Journal of Empirical Legal Studies was created in 2004.
Molecular Heinosity was created in 2009.
Molecular Pharmacology was created in 1965.
Molecular Probes was created in 1975.
Molecular Discovery was created in 1984.
Molecular Vision was created in 1995.
Molecular Cell was created in 1997.
Molecular Psychiatry was created in 1997.
Molecular Ecology was created in 1992.
Molecular Pharmaceutics was created in 2004.