The parts of a molecule that extend from the main chain or core structure
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methyl (3α,5β,7α)-3,7-diacetoxychol-16-en-24-oate
L-Histidine, N-[(phenylmethoxy)carbonyl]-3-[(phenylmethoxy)methyl]-
N-[(1S,2S)-2-(1-ethoxyethoxy)-1-phenylbut-3-en-1-yl]benzamide
Cbz-L-Met-L-Tyr-OH
