1,1',1'',1'''-butane-2,2,3,3-tetrayltetrakis(4-methoxybenzene) InChI=1/C32H34O4/c1-31(23-7-15-27(33-3)16-8-23,24-9-17-28(34-4)18-10-24)32(2,25-11-19-29(35-5)20-12-25)26-13-21-30(36-6)22-14-26/h7-22H,1-6H benzene, 1,1',1'',1'''-(1,2-dimethyl-1,2-ethanediylidene)tetrakis[4-methoxy-