Attia MF, Elbadawi AA. The Efficacy of New Liquid Laser Dye Material – Chalcone: 1-(4-methylsulfonyl phenyl)-3-(4-N,N-dimethyl (amino phenyl)-2-propen-1-one (MSPPP). Orbital: Electron. J. Chem. 2022;14(2):82-88. doi:10.17807/orbital.v14i2.16192