1-Methyl-4-nitrosobenzene 4-05-00-00845 (Beilstein Handbook Reference) 4-Methylnitrosobenzene 4-Nitrosotoluene 623-11-0 BRN 1854613 Benzene, 1-methyl-4-nitroso- EINECS 210-771-7 TOLUENE, p-NITROSO- p-Methylnitrosobenzene p-Nitrosotoluene