188785-61-7 Spiro[2,26-dioxabicyclo[23.3.1]nonacosa-4,18,20- triene-27,2'-[2H]pyran]-3,3',9,13(4'H)-tetrone,22,28-diethyl-5',6'-dihydro-7,11,14,15,28- pentahydroxy-6'-[(2S)-2-hydroxypropyl]-5',6,- 8,10,12,14,16,29-octamethyl-,(1S,2'R,4E,5'R,- 6R,6'R,7S,8R,10S,11S,12R 19479-28-8 Cyclopenta[c]pyran, 1,4a,5,6,7,7a-hexahydro-1-methoxy-4,7-dimethyl-, [1R-(1a,4aa,7b,7aa)]-