155788-79-7 1,4,7,10,13,16-Hexaazacyclooctadecane-2,6,11,15-tetrone,1,7,10,16-tetrakis(phenylmethyl)- 76235-74-0 (E)-2-Hydroxymethyl-2-butenoic acid [(3aS,4S,5S,6R,10Z,11aR)-2,3,3a,4,5,6,7,11a-octahydro-5-hydroxy-6,10-dimethyl-3-methylene-2,7-dioxo-6,9-epoxycyclodeca[b]furan-4-yl] ester 112356-33-9 2-Butenoicacid, 2-methyl-,2,3,3a,4,5,8,9,11a-octahydro-5-hydroxy-6-(hydroxymethyl)-10-methyl-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aS-[3aR*,4S*(Z),5S*,6E,10E,11aR*]]-