spiramide spiramide spiramide (developmental code name ami-193) is an experimental antipsychotic that acts as a selective 5-ht2a, 5-ht1a, and d2 receptor antagonist. it has negligible affinity for the 5-ht2c receptor. spiramideclinical dataatc codenoneidentifiers iupac name 8--1-phenyl-1,3,8-triazaspirodecan-4-one cas number510-74-7pubchem cid68186iuphar/bps175chemspider61493unii471lf4o004chebichebi:64207 ycomptox dashboard (epa)dtxsid6042579 chemical and physical dataformulac22h27fn3o2molar mass384.475 g·mol−13d model (jsmol)interactive image smiles c2cc(f)ccc2occcn3ccc1(cc3)n(cnc1=o)c4ccccc4 inchi inchi=1s/c22h26fn3o2/c23-18-7-9-20(10-8-18)28-16-4-13-25-14-11-22(12-15-25)21(27)24-17-26(22)19-5-2-1-3-6-19/h1-3,5-10h,4,11-17h2,(h,24,27)key:fjukdazeabgeih-uhfffaoysa-n (verify)