英文别名:1,4-Dioxino[2,3-b]pyridine, 2,3-dihydro;2,3-Dihydro-1,4-dioxino[2,3-b]pyridine;2,3-Dihydro-1,4-Dioxino[2,3-b];1,4-Dioxino[2,3-b]pyridine,2,3-dihydro-(9CI);2H,3H-[1,4]dioxino[2,3-b]pyridine;2,3-Dihydro-1,4-dioxino[2,3-b]pyridine ISO 9001:2015 REACH;Benzoicacid,3-bromo-8-methoxy-,hydrazide;5-Benzofuransulfonylchloride,2,8-dihydro-