| abstract |
Disclosed is a dye compound suitable for detecting and counting reticulocytes contained in a human blood sample. A compound of the following formula (I): (Wherein R 1 , R 2 , R 3 and R 4 represent hydrogen, a substituent, or a ring; R 5 and R 10 represent an alkyl group or an aryl group; R 6 , R 7 , R 8 , R 9 is hydrogen, or a substituent, or a ring, provided that at least one of R 6 , R 7 , R 8 , and R 9 represents halogen; R 1 1 and R 12 are independently hydrogen or substituted the group, or a ring; R 13 is hydrogen or an alkyl group; Y is, S, O, C, or Se; n represents a number of 0 to 3). [Selection figure] None |