sn-2 sn-2 sn-2 is a chemical compound which acts as an "agonist" (i.e. channel opener) for the trpml3 calcium channel, with high selectivity for trpml3 and no significant activity at the related trpml1 and trpml2 channels. it has demonstrated antiviral activity in an in vitro model. sn-2identifiers iupac name 5-(2,4,6-trimethylphenyl)-3-oxa-4-azatricyclodec-4-ene cas number823218-99-1 ypubchem cid11834987uniir4lcv6xqr7chemical and physical dataformulac17h21nomolar mass255.361 g·mol−13d model (jsmol)interactive image smiles cc1=cc(=c(c(=c1)c)c2=noc3c2c4ccc3c4)c inchi inchi=1s/c17h21no/c1-9-6-10(2)14(11(3)7-9)16-15-12-4-5-13(8-12)17(15)19-18-16/h6-7,12-13,15,17h,4-5,8h2,1-3h3key:wklzntymdopbse-uhfffaoysa-n