bacterioruberin

(3S,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E,26E,30S)-3,30-Bis(3-hydroxy-3-methylbutyl)-2,6,10,14,19,23,27,31-octamethyl-4,6,8,10,12,14,16,18,20,22,24,26,28-dotriacontatridecene-2,31-diol