( )-Leptosin I 160472-96-8 22bH-18,22a-(Iminomethano)-10b,23a-methano-10bH,23aH-indolo(2'',3'':2',3')(1,2,3,4,6)tetrathiazocino(6'',5'':1',5')pyrrolo(3',4':6,7)pyrazino(2''',1''':2,3)(1,3)oxazepino(4,5-b)indole-1,4,17,25(18H)-tetrone, 2,3,5a,6,15,15a-hexahydro-24-hydroxy-3-(hydroxymethyl)-2,26-dimethyl-18-(1-methylethyl)-, (3R,5aS,10bR,10cS,15aR,18S,22aS,22bS,23aS,24S)-rel-( )- 22bH-18,22a-(Iminomethano)-10b,23a-methano-10bH,23aH-indolo(2'',3'':2',3')(1,2,3,4,6)tetrathiazocino(6'',5'':1',5')pyrrolo(3',4':6,7)pyrazino(2''',1''':2,3)(1,3)oxazepino(4,5-b)indole-1,4,17,25(18H)-tetrone, 2,3,5a,6,15,15a-hexahydro-24-hydroxy-3-(hydroxymethyl)-2,26-dimethyl-18-(1-methylethyl)-, (3alpha,5abeta,10balpha,10cS*,15abeta ,18beta,22abeta,22balpha,23aalpha,24S*)-( )- Chaetocin, 2,5:2',5'-dide(epidithio)-19'-deoxy-2',5'-(epitetrathio)-5,6'-epoxy-6-hydroxy-19',19'-dimethyl-, (5alpha,6S,6'S,15alpha)- Leptosin I Leptosine I