Chemical Name | (1R,2'R,4E,5'S,6S,6'S,7R,8S,10R,11S,12S,14S,15S,16R,18E,20E,22R,25S,28S,29R)-22-ethyl-3',4',5',6'-tetrahydro-7,11,15-trihydroxy-6'-[(2R)-2-hydroxypropyl]-5',6,8,10,12,14,16,28,29-nonamethyl-spiro[2,26-dioxab |