5. AOACSPDSMethods-2018AwardsV3

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60 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

Desmethylenetadalafil

171489-03-5

C 21

H 19

N 3

O 4

—

Dimethylsildenafil

1416130-63-6

C 23

H 32

N 6

O 4

S

—

Dimethylacetildenafil

Not available

C 25

H 34

N 6

O 3

—

Dinitrodenafil

Not available

C 17

H 18

N 6

O 6

—

Gendenafil

147676-66-2

C 19

H 22

N 4

O 3

—

Gisadenafil

334826-98-1

C 23

H 33

N 7

O 5

S

—

Hydroxychlorodenafil

1391054-00-4

C 19

H 23

ClN 4

O 3

—

Hydroxythiovardenafil

912576-30-8

C 23

H 32

N 6

O 4

S 2

—