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
LASER TOUGH SPOTS, 1/2", RED
胭脂红酸(天然染料)
STARCH-UL-14C FROM TOBACCO PLANTS
盐酸三乙胺
三氟乙酸[螯合试剂],99.0%(T)
Gadolinium(III) nitrate pentahydrate, 99.9% 25GR
3-Chloro-2,4-pentanedione, 98% 500ML
2-Amino-3-methylbenzoic acid, 98% 10GR
Dimethylamine hydrochloride, 99% 2.5KG
3-Bromobenzene-1-sulfonamide， 97%
