1,3-Dioxolane-4-methanol, 2,2,5-trimethyl-, 4-methylbenzenesulfonate, cis-(.+-.)- 1,3-Dioxolane-5-methanol, 2,2,4-trimethyl-, p-toluenesulfonate (ester), dl-erythro- 2,2,4-Trimethyl-5-(p-tolylsulfonyloxy)methyl-dl-erythro-1,3-dioxolane 73987-14-1 NSC75723 WLN: T5O COTJ B1 B1 D1OSWR D1& E1 -DL