3,3'-二氨基二丙基胺 3,3'-diaminodipropylamine
3,4-二甲氧基甲酸 3,4-dimethoxybenzoic acid
3,4-二甲氧基甲醇 3,4-dimethoxybenzyl alcohol
3,3',5-三碘-l-甲状腺原氨酸钠盐 3,3',5-triiodo-l-thyroni…
3,4-二氨基吡啶 3,4-diaminopyridine
3,4-二氯酚 3,4-dichlorophenol
3,4-二氯胺 3,4-dichloroaniline
3,4-二氯 3,4-dichlorotoluene
3,4,6-三氯-2-硝基酚 3,4,6-trichloro-2-nitrophenol
3,4-酚 3,4-xylenol