S-G-Q-S-W-R-P-Q-G-R-F, AMIDE SER-GLY-GLN-SER-TRP-ARG-PRO-GLN-GLY-ARG-PHE AMIDE SER-GLY-GLN-SER-TRP-ARG-PRO-GLN-GLY-ARG-PHE-NH2 ACEP-1 ACHATINA CARDIOEXCITATORY PEPTIDE-1 H-SER-GLY-GLN-SER-TRP-ARG-PRO-GLN-GLY-ARG-PHE-NH2 ser-gly-gln-ser-trp-arg-pro-gln-gly-*arg-phe amid Cardioexcitatory peptide 1 (Achatina fulica) (9CI)