(2S,3R,4a′R,5S,6b′R,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′S,24a′R)-3′-[(1R)-1,3-Dihydroxy-3-methylbutyl]-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22 a′-hexamethyl-4,4′,4a′,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′-octacosahydro-3H-spiro[furan-2,15′-furo[3″,2″:3′,4′]cyclopenta[1′,2′:5,6 ]naphtho[1,2-b]pyrano[3″,4″:2′,3′]cyclopen

(2S,3R,4a′R,5S,6b′R,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′S,24a′R)-3′-[(1R)-1,3-Dihydroxy-3-methylbutyl]-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22 a′-hexamethyl-4,4′,4a′,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′-octacosahydro-3H-spiro[furan-2,15′-furo[3″,2″:3′,4′]cyclopenta[1′,2′:5,6 ]naphtho[1,2-b]pyrano[3″,4″:2′,3′]cyclopen

(2S,3R,4a′R,5S,6b′R,8a′S,11a′S,11b′S,13′R,13a′R,13b′S,14′S,16a′S,17b′R,19a′S,22a′S,22b′S,24a′R)-3′-[(1R)-1,3-Dihydroxy-3-methylbutyl]-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22 a′-hexamethyl-4,4′,4a′,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′-octacosahydro-3H-spiro[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]phenazin]-24′(3′H)-one

Spiro[furan-2(3H),15′-[1H,15H]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]phenazin]-24′(3′H)-one, 3′-[(1R)-1,3-dihydroxy-3-methylbutyl ]-4,4′,4′a,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′-octacosahydro-3,3′,13′,13′b-tetrahydroxy-5-(hydroxymethyl)-4′,5,11′a,13′a,14′,22′a-hex amethyl-, (2S,3R,4a′R,5S,6b′R,8a′S,11a′S,11b

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