1-Piperidinyloxy, 4-(2-(bis(2-chloroethyl)amino)dihydro-2H-1,3,2-oxazaphosphorin-3(4H)-yl)-2,2,6,6-tetramethyl-, P-oxide 3-(1-Oxy-2,2,6,6-tetramethyl-4-piperidinyl)cyclophosphamide 3-Otp-cyclophosphamide 82576-64-5