Entry 1a

Entry 2b

Entry 3c

Recycle times

Conversion (%)

Recycle times

Conversion (%)

Recycle times

Conversion (%)

1

82.3

1

84.2

1

86.1

2

77.0

2

81.3

2

85.3

3

59.4

3

80.0

3

84.2

4

41.0

4

72.4

4

83.2

5

75.1d

5

80.8e

5

82.1

6

81.5

7

79.7

8

78.1

9

76.0

10

76.0