Guaifenesin Cyclic Carbamate

Carbonic Acid Cyclic [(o-Methoxyphenoxy)methyl]ethylene Ester; 1,3-Dioxolan-2-one,
4-[(2-methoxyphenoxy)methyl]-; 1,2-Propanediol, 3-(o-methoxyphenoxy)-, cyclic carbonate; 3-(o-Methoxyphenoxy)-1,2-propanediol Cyclic Carbonate; Methocarbamol Dioxolone; rac Guaifenesin Cyclic Carbonate; Methocarbamol dioxolone; 4-[(2-Methoxyphenoxy)methyl]-1,3-dioxolan-2-one (USP)