rac-4,5-Dihydrobenzo[a]pyrene-4α*,5β*-diol
rac-(S*)-2-(Acetylamino)-3-methylbutanoic acid methyl ester
RESOMER LR 706 S, POLY(L-LACTIDE-CO-D,L-LACTIDE)
RAC 3-ACETAMIDO-NONAN-2-ONE
RAC ERYTHRO-3-AMINONONAN-2-OL
rhamnazin 3-isorhamninoside
rhodium(3+) 2,6,6-trimethylbicyclo[3.1.1]heptanethiolate
rac-(S*)-1-(Dimethylamino)-2-propanol
Rohm & Haas Paraloid B-67