AOACSPDSMethods-2017Awardsv2

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62 V aclavik et al .: J ournal of AOAC I nternational V ol . 99, N o . 1, 2016

Table 2. ( continued )

Analyte

Chemical Abstracts Service No.

Formula

Note

Structure

Norneovardenafil

358390-39-3

C 18

H 20

N 4

O 4

—

Nortadalafil

171596-36-4

C 21

H 17

N 3

O 4

—

Piperiacetildenafil

147676-50-4

C 24

H 31

N 5

O 3

—

Propoxyphenyl sildenafil

877777-10-1

C 23

H 32

N 6

O 4

S

—

Propoxyphenyl  thiosildenafil

479073-87-5

C 23

H 32

N 6

O 3

S 2

—

Propoxyphenyl  thiohydroxyhomosildenafil

479073-90-0

C 24

H 34

N 6

O 4

S 2

—

Pseudovardenafil

224788-34-5

C 22

H 29

N 5

O 4

S

—