1,4-Di-p-oxyphenyl-2,3-di-isonitrilo-1,3-butadien 580-74-5 Brevicid Brevicide Brevicide-X Ethylene isocyanide, bis(p-hydroxybenzylidene)- NSC179485 Ophthocillin Phenol, 4,4'-(2,3-diisocyano-1,3-butadiene-1,4-diyl)bis- Trianthil WLN: QR D1UYNU1&YNU1&U1R DQ Xanthocillin Xanthocillin (x) Xanthocillin X Xantocillin Xantyrid