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Unlike bed bug bites, flea bites often have a single puncture point in the center of each bite
This piece has amazing quality, not only visible in the design itself but
Barcode and Other Identifiers Barcode (UPC-A, Scanned): 720841214618 Barcode (UPC-A, Text): 7 20841 21461 8 Matrix / Runout (Side A, etched, variant 1): BH70606-01 A1 KR T+ Matrix / Runout (Side B, etched, variant 1): BH70606-01 B1 KR I=S Matrix / Runout (Side A, variant 2, etched except '-56591-', stamped): -56591-II BH70606-01 / A1 KR Matrix / Runout (Side B, variant 2, etched except '-56591-', stamped): -56591-I BH70606-01 / B1 KR Matrix / Runout (Side A, variant 3, etched except '-56591-', stamped): -56591-V BH70606-01 / A1 KR Matrix / Runout (Side B, variant 3, etched except '-56591-', stamped): -56591-IV BH70606-01 / B1 KR Other Versions (5 of 29) View All Recommendations Reviews My copy matches the info here but I got unlucky with the side A side B labels being on the wrong side of the record I've purchased this record from two different sources (Walmart and then Amazon)
Cotinine and hydroxycotinine are more acidic with a pK a = 4.8 and 4.3, respectively 72