furthermore , after selected ion monitoring the following steroids and steroid glucuronides could be detected by the presence of at least two characteristic ions at the expected retention time : 5 beta-androstane-3 beta , 17 beta-diol , 5 beta-androstane-3 alpha , 17 beta-diol , etiocholanolone , 5 beta-androstane-3 alpha , 17 beta-diol-11-one , testosterone , 5 beta-androstane-3 alpha , 17 beta-diol-glucuronide , and testosterone-glucuronide .
C0038317
steroid
C0002854
androstane