Sodium;4-[7-hydroxy-2-[5-[5-[6-hydroxy-3,5-dimethyl-6-(2-phenylethylcarbamoyloxymethyl)oxan-2-yl]-3-methyloxolan-2-yl]-5-methyloxolan-2-yl]-2,8-dimethyl-1,10-dioxaspiro[4.5]decan-9-yl]-3-methoxy-2-methylpentanoate