185761-94-8 1,2,4,6,8-Pentaazaspiro[4.4]non-2-ene-7,9-dione,1,3,4,6,8-pentaphenyl- 185847-12-5 Formamide,N-[11-((15-hydroxy-9-methoxy-10,20-dimethyl-6,8,11,17-tetraoxo-3,18,26-trioxa-7,28,29-triazatricyclo[23.2.1.12,5]nonacosa-2(29),4,12,23,25(28),27-hexaen-19-yl))-4,10-dimethoxy-5,9-dimethyl-6-oxo-1-undecen-1-yl]-N-methyl-,(-)-