2-乙炔吡啶;4-吡啶乙炔;2-吡啶乙炔;
2-ethynyl-pyridine;pyridylethyne;pyridylacetylene;2-Pyridylacetylene;pyridine,2-ethynyl;
陕西缔都新材料有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!
缔都医药