55282-80-9 2,10-Bis[butyl(trifluoroacetyl)amino]-5-[[[2-[butyl(trifluoroacetyl)amino]-2-carboxycyclopentyl](trifluoroacetyl)amino]methyl]-5-undecenedioic acid
62820-13-7 (1aR,2E,4aR,6S,7aR,8E,11aS)-1a,4a,5,6,7a,10,11,11a-Octahydro-4a-hydroxy-1,1,3,6,9-pentamethyl-1H-cyclopenta[a]cyclopropa[f]cycloundecene-4,7-dione