Heliotropin was synthesized by reacting AgNO_3 with 3,4-dioxymethylene mandelic acid,which was prepared from 1,3-benzodioxole.是什么意思_Heliotropin was synthesized by reacting AgNO_3 with 3,4-dioxymethylene mandelic acid,which was prepared from 1,3-benzodioxole.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句