1-(4,4,7-trimethylhexahydro-4H-1,3-benzoxathiin-2-yl)ethyl 4-nitrobenzoate 4H-1,3-benzoxathiin-2-methanol, hexahydro-alpha,4,4,7-tetramethyl-, 4-nitrobenzoate InChI=1/C20H27NO5S/c1-12-5-10-16-17(11-12)26-19(27-20(16,3)4)13(2)25-18(22)14-6-8-15(9-7-14)21(23)24/h6-9,12-13,16-17,19H,5,10-11H2,1-4H