Spectrometry, Mass, Electrospray Ionization 2 article 2 chemistry electrospray mass spectrometry 2 (17beta) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxylate 1 (17beta) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxylic acid 1 (17beta) n ((t butylcarbamoyl)methyl) n (2 chlorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (2 ethyl 6 methylphenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (2 fluorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (2 naphthyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 chlorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 chlorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 fluorophenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 fluorophenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 methoxyphenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 methoxyphenyl) 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n (4 methylphenyl) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n phenyl 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxamide 1 (17beta) n ((t butylcarbamoyl)methyl) n phenyl 4,4 dimethyl 3 oxoandrost 5 ene 17 carboxamide 1 2 (t butylamino) 2 oxoethyl (17beta) 4,4 dimethyl 3 hydroxyandrost 5 ene 17 carboxylate 1 4,4-Dimethyl sterols 1 Animals 1 Antifungal 1 Calcium 1 Cercopithecus aethiops 1 Chlorocebus aethiops 1 Chromatography, Liquid 1 Copper 1 Cyclosporine 1 Cyclosporins 1