Nallasivam, A., Nethaji, M., Vembu, N., Jaswant, B., & Sulochana, N. (2009). Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: A more densely packed polymorph. International Union of Crystallography.

Nallasivam, Angannan, Munirathinam Nethaji, Nagarajan Vembu, Buckle Jaswant, und Nagarajan Sulochana. Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: A More Densely Packed Polymorph. International Union of Crystallography, 2009.

Nallasivam, Angannan, et al. Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: A More Densely Packed Polymorph. International Union of Crystallography, 2009.