(2S,3R,3′S,3″R,4′S,4a′R,5S,6b′S,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′R,24a′R)-3,3″,13′,13b′,22b′-Pentahydroxy-5-(hydroxymethyl)-4′,5,5″,5″,11a′,13a′,14′,22a′-octameth yl-4,4′,4″,4a′,5,5′,5″,6b′,7′,8′,8a′,9′,11′,11a′,11b′,12′,13′,13a′,13b′,14′,16a′,17b′,18′,19′,19a′,20′,22′,22a′,22b′,23′-triacontahydro-3H,3″H,24′H-dispiro[furan-2,15′-furo[3″,2″:3′,4′]cyclopenta [1′,2′:5,6]naphtho[1,2-b]pyrano[3″,4″:2′,3

(2S,3R,3′S,3″R,4′S,4a′R,5S,6b′S,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′R,24a′R)-3,3″,13′,13b′,22b′-Pentahydroxy-5-(hydroxymethyl)-4′,5,5″,5″,11a′,13a′,14′,22a′-octameth yl-4,4′,4″,4a′,5,5′,5″,6b′,7′,8′,8a′,9′,11′,11a′,11b′,12′,13′,13a′,13b′,14′,16a′,17b′,18′,19′,19a′,20′,22′,22a′,22b′,23′-triacontahydro-3H,3″H,24′H-dispiro[furan-2,15′-furo[3″,2″:3′,4′]cyclopenta [1′,2′:5,6]naphtho[1,2-b]pyrano[3″,4″:2′,3

(2S,3R,3′S,3″R,4′S,4a′R,5S,6b′S,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′R,24a′R)-3,3″,13′,13b′,22b′-Pentahydroxy-5-(hydroxymethyl)-4′,5,5″,5″,11a′,13a′,14′,22a′-octameth yl-4,4′,4″,4a′,5,5′,5″,6b′,7′,8′,8a′,9′,11′,11a′,11b′,12′,13′,13a′,13b′,14′,16a′,17b′,18′,19′,19a′,20′,22′,22a′,22b′,23′-triacontahydro-3H,3″H,24′H-dispiro[furan-2,15′-furo[3″,2″:3′,4′]cyclopenta [1′,2′:5,6]naphtho[1,2-b]pyrano[3″,4″:2′,3′]cyclopenta[1′,2′:5,6]naphtho[1,2-i]phenazine-3′,2″-furan]-24′-one

Dispiro[furan-2(3H),15′-[1H,3H]furo[3″,2″:3′,4′]cyclopenta[1′,2′:5,6]naphtho[1,2-b]pyrano[3″,4″:2′,3′]cyclopenta[1′,2′:5,6]naphtho[1,2-i]phenazine-3′(24′H),2″(3″H)-furan]-24′-one, 4,4′,4″,4′a,5 ,5′,5″,6′b,7′,8′,8′a,9′,11′,11′a,11′b,12′,13′,13′a,13′b,14′,16′a,17′b,18′,19′,19′a,20′,22′,22′a,22′b,23′-triacontahydro-3,3″,13′,13′b,22′b-pentahydroxy-5-(hydroxymethyl)-4′,5,5″,5″,11′a,13′a,14′,2 2′a-octamethyl-, (2S,3R,3′S,3″R,4′S,4a′R,5S

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