SEARCH Articles Figures Tables Aromatic Guanidine Alkaloids Aromatic alkaloids, simple Aromatic erythrinan alkaloids Aromatic erythrinan alkaloids synthesis Ascidians aromatic alkaloids from Bisindole alkaloids aromatic substitution Chemical shifts, aromatic carbon, indole alkaloids Indole alkaloids, aromatic substituted Pictet-Spengler reactions synthesis of aromatic alkaloids Polycyclic aromatic alkaloid