1 9VG Methyl (2e)-3-[(1as,11s,11as,14z,18r)-3,18-dihydroxy-4,9-dioxo-4,9,10,11-tetrahydro-11ah-11,1a-hept[3]ene[1,5]diynonaphtho[2,3-H]oxireno[C]quinolin-11a-yl]but-2-enoate 1.000 2 D77 Methyl (2r,3r)-2,3-dihydroxy-3-[(1as,11s,11ar,14z,18r)-3,7,8,18-tetrahydroxy-4,9-dioxo-4,9,10,11-tetrahydro-11ah-11,1a-hept[3]ene[1,5]diynonaphtho[2,3-H]oxireno[C]quinolin-11a-yl]butanoate 0.902 3 TNN (1as,11s,11ar,14z,18r)-3,8,18-trihydroxy-11a-[(1r)-1-hydroxyethyl]-7-methoxy-11,11a-dihydro-4h-11,1a-hept[3]ene[1,5]diynonaphtho[2,3-H]oxireno[C]quinoline-4,9(10h)-dione 0.780