Dicyclohexano-18-crown 6-Ether

二环己烷并-18-冠6-醚

2-Diethylaminopyridine

2-二乙氨基吡啶

盘尼西林测试平板试剂盒 PCase (10units/disk) Blank (each 30Disks), Penicillins Detection Disk Kit PCase (10units/disk) Blank (each 30Disks)

(R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol

(R)-(-)-2,2-二甲基-1,3-二氧戊环-4-甲醇

2,2'-Dimethylbiphenyl

2,2'-二甲基联苯

2,2-Dimethyl-6,6,7,7,8,8,8-heptafluoro-3,5-octanedione

2,2-二甲基-6,6,7,7,8,8,8-七氟-3,5-辛二酮

1,4-Dibromo-2-butanol

1,4-二溴-2-丁醇

2,6-Diisopropylaniline

2,6-二异丙基苯胺

1,3-Divinyl-1,1,3,3-tetramethyldisilazane

1,3-二乙烯基-1,1,3,3-四甲基二硅氮烷

Diethylene Glycol Bis(2-chloroethyl) Ether

二乙二醇双(2-氯乙基)醚