(1S,3R,Z)-benzyl 2-(2-iodobut-2-enyl)-5-methoxy-1-(4-methoxy-4-oxo-3,3-bis(phenylthio)butyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

(1S,3R)-benzyl 2-((Z)-2-iodobut-2-enyl)-5-methoxy-1-((E)-4-methoxy-4-oxobut-2-enyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate