label: (S)-2,5,7,8-tetramethyl-2-((1E 1Z3E,5E,7E,9E)-4,8,12-trimethyltrideca-1,3,5,7,9,11-hexaenyl)chroman-6-ol
label_lc: (s)-2,5,7,8-tetramethyl-2-((1e 1z3e,5e,7e,9e)-4,8,12-trimethyltrideca-1,3,5,7,9,11-hexaenyl)chroman-6-ol