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. 2022 Jun 14;17(15):e202000499. doi: 10.1002/cmdc.202000499

Table 7.

Triazolopyridazine hit series 7 SAR determined in the human sperm calcium influx assay.[a]

graphic file with name CMDC-17-0-g058.jpg

Compd

R1

R2

IC50 [μM]

7 a

m‐Me

graphic file with name CMDC-17-0-g019.jpg

20±1

7 b

m‐Me

graphic file with name CMDC-17-0-g034.jpg

>100

7 c

m‐Me

graphic file with name CMDC-17-0-g051.jpg

58±5

7 d

p‐Me

graphic file with name CMDC-17-0-g041.jpg

25±3

7 e

p‐Me

graphic file with name CMDC-17-0-g016.jpg

21.7±0.4

7 f

p‐Me

graphic file with name CMDC-17-0-g075.jpg

68±6

7 g

m‐Me

graphic file with name CMDC-17-0-g059.jpg

35±10

[a] CatSper activated by 3 μM progesterone. IC50 values are means±SEM of three independent experiments.