prednimustine prednimustine prednimustine, sold under the brand names mostarina and sterecyst, is a medication which is used in chemotherapy in the treatment of leukemias and lymphomas. it is the ester formed from two other drugs, prednisolone and chlorambucil. rarely, it has been associated with myoclonus. prednimustineclinical datatrade namesmostarina, sterecystother nameseortc 1502; leo 1031; nsc 134087; prednisolone 21-(4-(4-(bis(2-chloroethyl)-amino)phenyl)butanoate); 11β,17α-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl 4-butanoateatc codel01aa08 (who) identifiers iupac name phenanthren-17-yl]-2-oxoethyl] 4-phenyl]butanoate cas number29069-24-7 ypubchem cid34457chemspider31708 nunii9403sio2s8keggc19512 ycomptox dashboard (epa)dtxsid4021183 echa infocard100.044.904 chemical and physical dataformulac35h45cl2no6molar mass646.65 g·mol−13d model (jsmol)interactive image smiles c12c(3(1cc2(c(=o)coc(=o)cccc4ccc(cc4)n(cccl)cccl)o)ccc5=cc(=o)c=c35c)o inchi inchi=1s/c35h45cl2no6/c1-33-14-12-26(39)20-24(33)8-11-27-28-13-15-35(43,34(28,2)21-29(40)32(27)33)30(41)22-44-31(42)5-3-4-23-6-9-25(10-7-23)38(18-16-36)19-17-37/h6-7,9-10,12,14,20,27-29,32,40,43h,3-5,8,11,13,15-19,21-22h2,1-2h3/t27-,28-,29-,32+,33-,34-,35-/m0/s1 nkey:hfvnwdwlwucihc-gupdpfmosa-n n ny (what is this?) (verify)