Not shielded or modified in any way, usually referring to functional groups in organic chemistry.
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(4S,5R)-5-(hydroxymethyl)-4-phenyldihydrofuran-2(3H)-one
methyl erythro-2-(1-hydroxy-1-phenylmethyl)-3-butenoate
2,3,4,6-tetra-O-acetyl-α-DL-altropyranoside
(5R)-5-methyl-2,3,4,5-tetrahydropyridine
2-AMINO-2-(4-METHYLPHENYL)ACETIC ACID
Aziridine, 2-(4-chlorophenyl)-
