cs-27349 cs-27349 cs-27349, or l-2-α-tropinyl benzilate, is an experimental incapacitating agent. it acts as an antagonist to muscarinic acetylcholine receptors, causing delirium. it has 37% of the potency of the related compound 3-quinuclidinyl benzilate (bz) in producing peripheral effects, but 85% of the potency in producing central effects. the mean dose required to incapacitate subjects was 1.2 times that of bz. it has not been in use since the 1970s, and there have been no publications about its effects or long-term toxicology since then. cs-27349identifiers iupac name (1r,2r,5s)-8-methyl-8-azabicyclooct-2-yl hydroxy(diphenyl)acetate cas number64471-12-1 yhcl: 64520-33-8pubchem cid3049185hcl: 3049184chemspider143123hcl: 57264798chemblchembl298138comptox dashboard (epa)dtxsid70983033 hcl: dtxsid90983151chemical and physical dataformulac22h25no3molar mass351.446 g·mol−13d model (jsmol)interactive image smiles cn1c2cc(c1cc2)oc(=o)c(c3=cc=cc=c3)(c4=cc=cc=c4)o.cl inchi inchi=1s/c22h25no3/c1-23-18-12-14-19(23)20(15-13-18)26-21(24)22(25,16-8-4-2-5-9-16)17-10-6-3-7-11-17/h2-11,18-20,25h,12-15h2,1h3/t18?,19?,20-/m1/s1key:lsjgayniimedlr-soagjppssa-n