Dictionary of difficult words.
aminobutene — /ə mē nō būˈtēn/ noun A drug once used for pain relief as a less addictive alternative to morphine ORIGIN: ↑amine and ↑butene … Useful english dictionary
Dimethylthiambutene — Systematic (IUPAC) name (RS) N,N dimethyl 4,4 dithiophen 2 yl but 3 en 2 amine Clinical data … Wikipedia
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