diethyl sulphate, compound with N-methyl-N-[4-[(1-methyl-1H-1,2,4-triazol-3-yl)azo]phenyl]benzylamine (1:1)

CAS:81921-73-5

Formula:C21H28N6O4S

3-Pyridazinecarboxamide, 6-[4-[2-(aminosulfonyl)benzoyl]-1-piperazinyl]-N-(3-methylbutyl)-

CAS:840491-70-5

Formula:C21H28N6O4S

2,8-Diazaspiro[4.5]decane-8-carboxamide, N-[7-methoxy-4-(4-morpholinyl)thiazolo[5,4-c]pyridin-2-yl]-2-methyl-1-ox o-

CAS:848580-25-6

Formula:C21H28N6O4S

1-Piperazinepropanamide, N-[4-[[(aminoiminomethyl)amino]sulfonyl]phenyl]-4-(2-methoxyphenyl)-

CAS:93584-48-6

Formula:C21H28N6O4S

4H-1,2,4-Triazole-4-propanoic acid, 3-[(1S)-1-[(2-amino-2-methyl-1-oxopropyl)amino]-2-(phenylmethoxy)eth yl]-5-[(cyanomethyl)thio]-, methyl ester

CAS:295331-58-7

Formula:C21H28N6O4S

Benzenesulfonamide, 4-[[4-[1-(2-methoxyethyl)-2-methyl-1H-imidazol-5-yl]-2-pyrimidinyl]amino ]-N-(3-methoxypropyl)-

CAS:403791-82-2

Formula:C21H28N6O4S

Benzamide, 3-[[4-[[2,2-dimethyl-1-(1-methyl-1H-pyrrol-2-yl)propyl]amino]-1,1-dioxido -1,2,5-thiadiazol-3-yl]amino]-2-hydroxy-N,N-dimethyl-

CAS:681514-06-7

Formula:C21H28N6O4S

Carbamic acid, [2-[4-amino-2-[(1,1-dioxido-2-isothiazolidinyl)methyl]-1H-imidazo[4,5-c] quinolin-1-yl]ethyl]-, 1,1-dimethylethyl ester

CAS:874331-26-7

Formula:C21H28N6O4S

DESMETHYL SILDENAFIL

CAS:139755-82-1

Formula:C21H28N6O4S

Pyrazole N-Demethyl Sildenafil

CAS:139755-95-6

Formula:C21H28N6O4S