214219-88-2 2,2'-[{5,11,17,23-tetra-tert-butyl-26,28-bis[2-(methylsulfanyl)ethoxy]pentacyclo[19.3.1.1~3,7~.1~9,13~.1~15,19~]octacosa-1(25),3(28),4,6,9(27),10,12,15(26),16,18,21,23-dodecaene-25,27-diyl}bis(oxy)]bis(N,N-diethylethanamine) 214330-43-5 Bis[(1S,1'S,4R,4'R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid] (9R,10R)-4,8,8-trimethyl-2-oxo-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl ester