tc ot 39 tc ot 39 tc ot 39 is a non-peptide partial agonist of the oxytocin and vasopressin v2 receptors (ki = 147 nm and >1000 nm, respectively) and antagonist of the vasopressin v1a receptor (ki = 330 nm). tc ot 39clinical dataatc codenoneidentifiers iupac name (2s)-n-benzodiazepin-5(1h)-yl)carbonyl]-2-methylphenyl]methyl]-2--1-pyrrolidinecarboxamide cas number479232-57-0chemspider23249746chemical and physical dataformulac32h40n8o2smolar mass600.79 g·mol−13d model (jsmol)interactive image smiles cc1cc(ccc1cnc(=o)n2ccc2c(=s)n3cccn(cc3)c)c(=o)n4cc5cnn(c5nc6c4cccc6)c inchi inchi=1s/c32h40n8o2s/c1-22-18-23(30(41)40-21-25-20-34-37(3)29(25)35-26-8-4-5-9-27(26)40)11-12-24(22)19-33-32(42)39-15-6-10-28(39)31(43)38-14-7-13-36(2)16-17-38/h4-5,8-9,11-12,18,20,28,35h,6-7,10,13-17,19,21h2,1-3h3,(h,33,42)/t28-/m0/s1key:ksnhhkzykynbei-ndephwfrsa-n