00568nam a2200169 a 450000500170000000800410001704100080005808200110006610000170007724500710009426400480016530000140021365000290022794200070025699900170026395201180028020260717100933.0260717s1990    ii            000 0 eng d  aeng04a547.761 aSingh, P. P.13aAn Introduction to Synthetic Drugs and Dyes T.Y.B.Sc.cSingh, P.P. 1aBombay :bHimalaya Publishing House,c1990.  a114,80 p. 4aSynthetic drugs and dyes  cBK  c31038d31038  001040708DCaBKBCLbBKBCLd1991-08-12g30.00l0o547.76 SINp27465r2026-07-17 09:14:13v30.00w2026-07-17yBK