Synonyms: Spiro[4H,8H-[1,4]dioxepino[2,3-g]indole-8,7'(8'H)-[5H,6H-5a,9a](iminomethano)[1H]cyclopent[f]indolizin]-10'-one,2',3',8'a,9,9',10-hexahydro-1'-hydroxy-1',4,4,8',8',11'-hexamethyl-, [1'R-(1'a,5'ab,7'b,8'ab,9'ab)]-;2-Deoxoparaherquamide;2-Deoxoparaherquamide A;2-Desoxoparaherquamide A;Derquantel;PF 00520904;PNU 141962;