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Formulas which begin with C₁₈H₂₁NO₃

All formulas are in Hill order.

• C₁₈H₂₁NO₃ (N-Acetyl Norapoatropine)
• C₁₈H₂₁NO₃ (Sarcosine, N-(1-naphthoyl)-, butyl ester)
• C₁₈H₂₁NO₃ (Sarcosine, N-(1-naphthoyl)-, isobutyl ester)
• C₁₈H₂₁NO₃ (β-Alanine, N-(1-naphthoyl)-, butyl ester)
• C₁₈H₂₁NO₃ (Metopon)
• C₁₈H₂₁NO₃ (Hydrocodone)
• C₁₈H₂₁NO₃ (Codeine)
• C₁₈H₂₁NO₃ (Neopine)

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