(1aR,2E,4aR,6S,7S,7aR,8R,11aS)-1,1a,4a,5,6,7,7a,8,9,10,11,11a-Dodecahydro-4a,7,8-trihydroxy-1,1,3,6-tetramethyl-9-methylene-4H-cyclopenta[a]cyclopropa[f]cycloundecen-4-one34420-19-4100 % similar 17-Hydroxyisolathyrol93551-00-966 % similar Diacetyl benzoyl lathyrol218916-52-043 % similar Euphorbiasteroid28649-59-431 % similar Euphorbia factor L176376-43-731 % similar