1-乙酰氧基-1,3-丁二烯

(+/-)-5-hydroxy-(4ar,9ac)-1,4a,9a,10-tetrahydro-4H-1t,10t-epoxido-anthracen-9-one

(+/-)-4t-acetoxy-5,10t-dihydroxy-(4ar,9ac)-1,4,4a,9a-tetrahydro-anthrone

(9,10-dioxoanthracen-1-yl) acetate

(+/-)-(4ar,9ac)-1,4,4a,9,9a,10-hexahydro-1t,10t-epoxido-anthracene-5,9t-diol