Assertion: epinephrine's methyl group | /r/AtLocation | its nitrogen
Facets:
Source sentences:
text: Its structure differs from that of epinephrine only in that epinephrine has a methyl group attached to its nitrogen, whereas the methyl group is replaced by a hydrogen atom in norepinephrine.
text: Epinephrine has a methyl group attached to its nitrogen, whereas norepinephrine has a hydrogen atom in place of the methyl group.
text: Furthermore, adrenaline contains a methyl group attached to its nitrogen while noradrenaline contains hydrogens attached to nitrogen.
text: Adrenaline has a methyl group attached to its nitrogen.