(4'-alpha)Vincaleukoblastine sulfate 18556-44-0 Leurosidine sulfate Leurosidine, sulfate (salt) Vincaleucoblastine, 4'-deoxy-3'-hydroxy-, sulfate (salt) Vincaleukoblastine, (4'-alpha)-, sulfate (9CI) Vinrosidine sulfate Vinrosidine sulfate [USAN]