Sigma-Aldrich
RNA Polymerase II, p14.5 subunit, GST tagged human
RNF20 active human
RO5263397
洛克米兰酰胺, Rocaglamide
Roflupram
罗氟普拉姆
Ropivacaine
Rosin
RPTPg Active human
Rupatadine fumarate
S-Allyl-L-cysteine
S-烯丙基-L-半胱氨酸
Saikosaponin A
沙丁胺醇杂质B, Salbutamol impurity B
Salirasib
法呢基硫代水杨酸
Sample vials with captive closure
Saponarin