如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
2'-甲基联苯-3-羧酸
FILTER APPARATUS, WITT TYPE, INTERCHANGEABLE LID, SIDE PLASTIC NOSE CONNECTION, TUBULATURE NS
MELTING POINT APPARATUS, THIELE, WITH SCREW CAP, GL 18 AND SEAL 16 X 6 MM, WITH SIDE ARMS, COMPLET
2-氯-5-三氟甲基吡啶-4-甲酸