21.
[1]. N C Jain, et al. Simultaneous determination of cocaine and benzoyl ecgonine in urine by gas chromatography with on-column alkylation. J Forensic Sci. 19 Jan;22(1):-16.
H225-H15-H19-H5
P21-P2-P24-P241-P242-P24-P261-P264-P21-P28-P2+P52-P4+P4-P62+P64-P+P8-P45-P51
GHS2,GHS
199