2(5H)-Furanone, 4-(2-(8-(acetyloxy)octahydro-5,6,8a-trimethylspiro(naphthalene-1(2H),2'-oxiran)-5-yl)ethyl)-, (1R-(1alpha,4abeta,5beta,6alpha,8alpha,8aalpha))- 82231-14-9 Ajugarin V