higher-order compounds synthesized

a-ODPA_en active pharmaceutical ingredients（API） alkylhalide allyl bromide alpha-bromo compound antibacterial agent asymmetric final products batch synthesis bromination bromine bromine compounds contracted production contracted research coupling reactions electronic material electronic materials electronics emergency Etak® Fukuyama Godo Shigen gynecological investigational drug haloalkanes halogenoalkanes hetero halogen higher-order compounds synthesized Hiroshima intermediates iodination iodine Japan Aerospace Exploration Agency (JAXA) light-sensitive materials new drug ODPA-C_en OLED components organic synthesis p-nitrobenzyl bromide pharmaceutical pharmaceutical intermediates polyimide polyimide monomer semiconductor material semiconductors Sustainable DevelopmentGoals (SDGs) synthesizing