113471-15-1 DRG-0268 Etiopurpurin, tin SnET2 Tin Etionpurpurin Tin ethiopurpurin Tin etiopurpurin Tin etiopurpurin dichloride Tin, (ethyl 3,4,20,21-tetrahydro-4,9,14,19-tetraethyl-18,19-dihydro-3,8,13,18-tetramethyl-20-phorbinecarboxylato(2-)-N23,N24,N25,N26)-, (SP-4-2)-