Synonyms: 1,4-Benzodioxan-6-ylisocyanate; 2,3-Dihydrobenzo-1,4-dioxin-6-yl isocyanate;2,3-Dihydrobenzo[b][1,4]dioxin-6-yl isocyanate; 3,4-Ethylenedioxyphenylisocyanate; 6-Isocyanato-2,3-dihydro-1,4-benzodioxin;6-Isocyanato-2,3-dihydrobenzo[1,4]dioxine