(2,2)-PARACYCLOPHANE,4,5,12,13-TETRAISOPROPYLOXYCARBONYL InChI=1/C32H40O8/c1-17(2)37-29(33)25-21-9-10-22(26(25)30(34)38-18(3)4)15-16-24-12-11-23(14-13-21)27(31(35)39-19(5)6)28(24)32(36)40-20(7)8/h9-12,17-20H,13-16H2,1-8H tetraisopropyl tricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene-5,6,11,12-tetracarboxylate tricyclo[8.2.2.2~4,7~]hexadeca-4,6,10,12,13,15-hexaene-5,6,11,12-tetracarboxylic acid, tetrakis(1-methylethyl) ester