短语词组短語BUTENYL CHLOROFORMATE 丁烯基氯甲酸酯-butenyl 丁烯基butenyl group [有化]丁烯基Butenyl Acetate 丁烯基醋酸butenyl -phosphate 丁烯磷2 -Butenyl triethoxysilane 丁烯基三乙氧基矽烷3 -Butenyl Acetate 丁烯基醋酸 返回 butenyl