Synonyms: 1,4-Naphthalenedione,2-(3,7,11,15,19,23,27,31,35-nonamethyl-2,6,10,14,18,22,26,30,34-hexatriacontanonaenyl)-,(all-E)-; 1,4-Naphthalenedione,2-[(2E,6E,10E,14E,18E,22E,26E,30E)-3,7,11,15,19,23,27,31,35-nonamethyl-2,6,10,14,18,22,26,30,34-hexatriacontanonaenyl]-(9CI); 1,4-Naphthoquinone,2-(3,7,11,15,19,23,27,31,35-nonamethyl-2,6,10,14,18,22,26,30,34-hexatriacontanonaenyl)-(7CI,8CI); Demethylmenaquinone 9; Menaquinone 9, demethyl-