(2R,3S,3′R,4a′S,5R,11a′R,13′S,13a′S,13b′R,16a′R,22a′R,24a′S)-3′-(1,3-Dihydroxy-3-methylbutyl)-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22a′-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′]cycl openta[1′,2′:5,6]naphtho[1,2-i]phenazin]-24′

(2R,3S,3′R,4a′S,5R,11a′R,13′S,13a′S,13b′R,16a′R,22a′R,24a′S)-3′-(1,3-Dihydroxy-3-methylbutyl)-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22a′-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′]cycl openta[1′,2′:5,6]naphtho[1,2-i]phenazin]-24′

(2R,3S,3′R,4a′S,5R,11a′R,13′S,13a′S,13b′R,16a′R,22a′R,24a′S)-3′-(1,3-Dihydroxy-3-methylbutyl)-3,3′,13′,13b′-tetrahydroxy-5-(hydroxymethyl)-4′,5,11a′,13a′,14′,22a′-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′]cycl openta[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′-(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-hexameth yl-, (2R,3S,3′R,4a′S,5R,11a′R,13′S,13a′S,13b

From cephalodiscus gilchristi