Akman, F. and Sarac, K. 2021. Molecular structure, vibration properties and quantum chemical calculations of 4-(chloromethyl)-7-methoxycoumarin and 4-(chloromethyl)-7-methyl-coumarin. Natural Science and Discovery. 2, 2 (Jul. 2021), 48–55. DOI:https://doi.org/10.20863/nsd.v2i2.44.