6-cyanonicotinaldehyde;5-Formylpicolinonitrile;6-cyano-pyridine-3-carbaldehyde;5-FORMYL-2-PYRIDINECARBONITRILE;
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