113790-73-1
2-((1S,11bS)-1-ethyl-3-oxo-2,3,5,6,11,11b-hexahydro-1H-indolizino[8,7-b]indol-1-yl)acetic acid
→
113883-24-2
ent-18-oxo-eburnamonine
113973-74-3