Chemical Structure of 226785. SQ 23377; [2S-[2α[2’S*,5’R*(S*)],5β(4S*,6R*,8R*,10Z,12S*,14S*,16E,18S*,19S*,20R*,21R*)]]-11,19,21-Trihydroxy-4,6,8,12,14,18,20-heptamethyl-22-[octahydro-5’-(1-hydroxyethyl)-2,5’-dimethyl[2,2’-bifuran]-5-yl]-9-oxo-10,16-docosadienoic Acid; [2S-[2α[2’S*,5’R*(S*)],5β(4S*,6R*,8R*,10Z,12S*,14S*,16E,18S*,19S*,20R*,21R*)]]-11,19,21-Trihydroxy-4,6,8,12,14,18,20-heptamethyl-22-[octahydro-5’-(1-hydroxyethyl)-2,5’-dimethyl[2,2’-bifuran]-5-yl]-9-oxo-10,16-docosadienoic Acid; (4R,6S,8S,10Z,12R,14R,16E,18R,19R,20S,21S)-11,19,21-Trihydroxy-4,6,8,12,14,18,20-heptamethyl-22-[(2S,2’R,5S,5’S)-octahydro-5’-[(1R)-1-hydroxyethyl]-2,5’-dimethyl[2,2’-bifuran]-5-yl]-9-oxo-10,16-docosadienoic Acid