trivial
Homosildenafil
systemic
5-[2-Ethoxy-5-(4-ethylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4'H'-pyrazolo[4,3-'d']pyrimidin-7-one

Identifiers

InChIKey: MJEXYQIZUOHDGY-UHFFFAOYSA-N

Formula: C23H32N6O4S

CAS Registry numbers:
642928-07-2

Descriptors

Bioavailability-related

Molecular weight: 488.22 Da
Partition coefficient: 2.00
H bond donors: 1
H bond acceptors: 10
Rotatable bonds: 8
Molar refractivity: 130.60 J mol-1 K-1
Polar surface area: 113.42 Å2

Generic

Stereocenters: 0
Heteroatoms: 11
Spiroatoms: 0
Bridge atoms: 0
Amide bonds: 0

Ring-related

Rings: 4
Heterocycles: 3
Aromatic rings: 3
Aromatic carbocycles: 1
Aromatic heterocycles: 2
Aliphatic rings: 1
Aliphatic carbocycles: 0
Aliphatic heterocycles: 1