90584-04-6 Urea, N,N'-bis(hydroxymethyl)-, reaction products with acetone, 2-butyne-1,4-diol, 3,4-dihydro-2-methoxy-2H-pyran, ethylene glycol, formaldehyde, glutaraldehyde and tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione [90584- 4138-53-8 1,2,3,4,7,12,12b,13-octahydroindolo[2',3':3,4]pyrido[1,2-a]quinolin-14(6H)-one