1,2-Dimethyl-7,7-dioxo-3-oxa-7lambda*6*-thia-2,8-diaza-tricyclo[6.2.1.0*4,10*]undecane-6-carboxylic acid isopropyl ester 4H-3,5-methanoisoxazolo[4,5-d][1,2]thiazepine-7-carboxylic acid, hexahydro-2,3-dimethyl-, 1-methylethyl ester, 6,6-dioxide InChI=1/C13H22N2O5S/c1-8(2)19-12(16)11-5-10-9-6-15(21(11,17)18)7-13(9,3)14(4)20-10/h8-11H,5-7H2,1-4H isopropyl 2,3-dimethylhexahydro-4H-3,5-methanoisoxazolo[4,5-d][1,2]thiazepine-7-carboxylate 6,6-dioxide