| Name | 4-Keto-4'-hydroxyalloxanthin / (3S,3'S,4'S)-7,7',8,8'-Tetradehydro-3,3',4'-trihydroxy-beta,beta-caroten-4-one | 
                    
                      | CAS RN | 124417-91-0 | 
                    
                      | Standard InChI | InChI=1S/C40H50O4/c1-27(17-13-19-29(3)21-23-33-31(5)37(43)35(41)25-39(33,7)8)15-11-12-16-28(2)18-14-20-30(4)22-24-34-32(6)38(44)36(42)26-40(34,9)10/h11-20,35-37,41-43H,25-26H2,1-10H3/b12-11+,17-13+,18-14+,27-15+,28-16+,29-19+,30-20+/t35-,36-,37-/m0/s1 | 
                    
                      | Standard InChI (Main Layer) | InChI=1S/C40H50O4/c1-27(17-13-19-29(3)21-23-33-31(5)37(43)35(41)25-39(33,7)8)15-11-12-16-28(2)18-14-20-30(4)22-24-34-32(6)38(44)36(42)26-40(34,9)10/h11-20,35-37,41-43H,25-26H2,1-10H3 |