1,1',1''-(allyl-lambda~4~-sulfanetriyl)tribenzene InChI=1/C21H20S/c1-2-18-22(19-12-6-3-7-13-19,20-14-8-4-9-15-20)21-16-10-5-11-17-21/h2-17H,1,18H allyl triphenylmethyl sulfide allyl triphenylmethyl sulphide allyl trityl sulfide allyl trityl sulphide sulfur, triphenyl-2-propenyl-