Indicates that there is a substituent (another chemical group or atom) at position 1 of the molecule.
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2-(3-(6-methylpyridin-2-yl)-4-(quinolin-6-yl)-1H-pyrazol-1-yl)-N-phenylacetamide
Propanamide, N-[hexahydro-1-(phenylmethyl)-1H-azepin-4-yl]-N-phenyl-
4-chloro-1-(4-(trifluoromethyl)phenyl)-1H-pyrazolo[3,4-d]pyrimidine
3,4-DIBROMO-2-FLUOROPYRIDINE
6-O-tert-butyldiphenylsilyl-3-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose
