Refers to the specific arrangement and connectivity of the carbon atoms in a molecule, often used to describe complex organic compounds.
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Silane, (1,1-dimethylethyl)[(2R)-oxiranylmethoxy]diphenyl-
(3aα,3bβ,6aβ,7aα)-(+/-)-tetrahydro-3a-(phenylmthyl)difuro<2,3-b:3',4'-d>furan-2,6(3H,6aH)-dione
methyl (2R)-2-[(S)-1-{[(benzyloxy)carbonyl]amino}-1-(phenylmethyl)carboxamido]-2-(3,5-dihydroxy-4-methoxyphenyl)ethanoate