1 CW1 Cotylenin a 1.000 2 1F5 (1r,3as,4r,5r,6r,9ar,10e)-6-({(1s,2r,4s,5r,6r,8s,9s)-5-hydroxy-2-(methoxymethyl)-9-methyl-9-[(2s)-oxiran-2-yl]-3,7,10,1 1-tetraoxatricyclo[6.2.1.0~1,6~]undec-4-yl}oxy)-1-(methoxymethyl)-4,9a-dimethyl-7-(propan-2-yl)-1,2,3,3a,4,5,6,8,9,9a-de cahydrodicyclopenta[a,D][8]annulene-1,5-diol 0.837 3 CW7 Cotylenin a 0.837