(2,2)-PARACYCLOPHANE,4,5,12,13-TETRA,TERT.BUTYLOXYCARBONYL InChI=1/C36H48O8/c1-33(2,3)41-29(37)25-21-13-14-22(26(25)30(38)42-34(4,5)6)19-20-24-16-15-23(18-17-21)27(31(39)43-35(7,8)9)28(24)32(40)44-36(10,11)12/h13-16H,17-20H2,1-12H tetra-tert-butyl 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(1,1-dimethylethyl) ester