3,3',3'',3'''-{[5,11,17,23-tetra-tert-butylpentacyclo[19.3.1.1~3,7~.1~9,13~.1~15,19~]octacosa-1(25),3(28),4,6,9(27),10,12,15(26),16,18,21,23-dodecaene-25,26,27,28-tetrayl]tetrakis(oxymethanediyl)}tetrapyridine
CAS No. 170373-30-5