SMILES: CC[C@H](C)C1=C(N2C=C(N=C(C2=N1)CCC[NH+]=C(N)N)C3=CNC4=CC=CC=C43)O
Description: The molecule is conjugate acid of Cypridina luciferin; major species at pH 7.3. It is a conjugate acid of a Cypridina luciferin.