201333033N-Butyl Nortildenafil

201333034(2R,8R)-2-(1,3-benzodioxol-5-yl)-6-benzyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),1

201333035(R,E)-N-(2-(diphenylphosphanyl)benzylidene)-2-methylpropane-2-sulfinamide

201333036(R,E)-N-(2-(dicyclohexylphosphaneyl)benzylidene)-2-methylpropane-2-sulfinamide

201333037[N(E),S(R)]-N-[[2-[Bis(tricyclo[3.3.1.13,7]dec-1-yl)phosphino]phenyl]methylene]-2-methyl-2-propanesul

201333038(R,E)-N-(2-(di-tert-butylphosphaneyl)benzylidene)-2-methylpropane-2-sulfinamide

201333039(R,E)-N-((5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)methylene)-2-methylpropane-2-sulfinamid

201333040(R)-N-((E)-2-(di((3S,5S,7S)-adamantan-1-yl)phosphaneyl)-4,5-dimethoxybenzylidene)-2-methylpropane-2-s

201333041(R,E)-N-(2-(diphenylphosphino)-4,5-dimethoxybenzylidene)-2-methylpropane-2-sulfinamide

201333042(R)-N-[(S)-(2-diphenylphosphanylphenyl)-phenylmethyl]-2-methylpropane-2-sulfinamide

201333043(R)-N-[(R)-(2-diphenylphosphanylphenyl)-phenylmethyl]-2-methylpropane-2-sulfinamide

201333044(R)-N-[(S)-(2-diphenylphosphanylphenyl)-phenylmethyl]-N,2-dimethylpropane-2-sulfinamide