cyclic-1,3-dimethyltrimethylene (2-hydroxy-5-methyl-5-(2-methyl-1,3-dioxolan-2-yl)-1-cyclohexen-1-yl)phosphonate
cyclic-1,3-dimethyltrimethylene (2-hydroxy-5-methyl-5-(2-methyl-1,3-dioxolan-2-yl)-1-cyclohexen-1-yl)phosphonate