193414-09-4 1,5,9,13-Tetraazacyclohexadecane-2,6,10,14-tetrone,4,8,12,16-tetramethyl-, (4R,8R,12R,16R)- 193481-66-2 2H-Oxireno[g][2]benzopyran-2-one,1a,3,5,6,7,- 7a-hexahydro-6,7-dihydroxy-5-propyl-,(1aR,5R,6S,7S,7aR)-rel-(-)- 103974-70-5 (E)-4-Hydroxy-2-methyl-2-butenoic acid [(3aR)-2,3,3aβ,4,5,6,6aβ,7,9aβ,9bα-decahydro-6α-hydroxymethyl-9-methyl-3-methylene-2-oxoazuleno[4,5-b]furan-4α-yl] ester 103994-21-4 Spiro[furan-3(2H),7'(8'H)-[1H]naphtho[1,8a-c]furan]-2,5',10'(3'H,9'H)-trione,5-(3-furanyl)hexahydro-3'-hydroxy-8'-methyl-, [3'R-[3'a,3'aa,6'aa,7'b(S*),8'b,10'aR*]]-