Effective 21 Oct 1999,
SOR/99-421 replacement for:
Levargorphan (l-11-Propargyl-1,2,3,9,10,10a-hexahydro-4H-10,4a-iminoethanophenanthren-6-ol)
Effective 22 Apr 1997,
SOR/97-230 replacement for:
Levangorphan (l-11-Propargyl-1,2,3,9,10,10a-hexahydro-4H-10,4a-iminoethanophenanthren-6-ol)