label: 3alpha,8alpha-dihydroxy-1alphaH,5alphaH,6betaH,7alphaH, 11betaH-guai-4(15),10(14)-dien-6,12-olide 8-O-(2-hydroxy)acrylate
label_lc: 3alpha,8alpha-dihydroxy-1alphah,5alphah,6betah,7alphah, 11betah-guai-4(15),10(14)-dien-6,12-olide 8-o-(2-hydroxy)acrylate