(4S,6′R,9′Z)-2-Amino-9′-(6-bromo-3H-indol-3-ylidene)-3′-hydroxy-6′-methyl-2′,3,5,6′,8′,11′-hexahydrospiro[imidazole-4,7′-pyrazino[2′,3′:6,7]cyclohepta[1,2,3-cd]indol]-10′(9′H)-one

(4S,6′R,9′Z)-2-Amino-9′-(6-bromo-3H-indol-3-ylidene)-3′-hydroxy-6′-methyl-2′,3,5,6′,8′,11′-hexahydrospiro[imidazole-4,7′-pyrazino[2′,3′:6,7]cyclohepta[1,2,3-cd]indol]-10′(9′H)-one

Spiro[4H-imidazole-4,7′-[7H]pyrazino[2′,3′:6,7]cyclohept[1,2,3-cd]indol]-10′(9′H)-one, 2-amino-9′-(6-bromo-3H-indol-3-ylidene)-2′,3,5,6′,8′,11′-hexahydro-3′-hydroxy-6′-methyl-, (4S,6′R,9′Z)-