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Table 1 Mass transitions of analytes and internal standards

From: Validation of an LC-MS/MS method to determine five immunosuppressants with deuterated internal standards including MPA

Internal Standard

Quantifier

Q1

Q3

Analyte

Quantifier

Q1

Q3

Cyclosporine A-d4

1224.0

1206.9

Cyclosporine A

1219.9

1203.0

Tacrolimus13C-d2

824.6

771.6

Tacrolimus

821.5

768.4

Sirolimus-13C-d3

935.6

864.6

Sirolimus

931.6

864.7

Everolimus-d4

979.6

912.6

Everolimus

975.6

908.5

Mycophenolic acid-d3

341.2

210.1

Mycophenolic acid

338.2

207.1

Mycophenolic acid glucuronide

513.6

207.2

   

Carboxy butoxy ether of mycophenolic acid

438.2

303.0

   

Internal Standard

Qualifier

Q1

Q3

Analyte

Qualifier

Q1

Q3

Cyclosporine A-d4

1224.0

1188.8

Cyclosporine A

1219.9

1185.0

Tacrolimus13C-d2

824.6

789.4

Tacrolimus

821.5

786.5

Sirolimus-13C-d3

935.6

882.4

Sirolimus

931.6

882.4

Everolimus-d4

979.6

930.5

Everolimus

975.6

926.6

Mycophenolic acid-d3

341.2

306.3

Mycophenolic acid

338.2

210.1

Carboxy butoxy ether of mycophenolic acid

438.2

195.0