122753-17-7 22H-8,11:18,21-Dietheno-23,36-(iminomethano)-13,16:31,35-dimetheno-1H,16H-[1,6,9]oxadiazacyclohexadecino[4,5-m][10,2,16]benzoxadiazacyclotetracosine,vancomycin deriv. 189248-10-0 3H,6H-2a,4,7,8a-Tetraazaacenaphthylene-3,5,8(4H,7H)-trione,1,2-dihydro-6-imino-4,7-bis(2-methylphenyl)- 65924-24-5 1,3,2,4-Diazadiphosphorine,2,2,4,4,6-pentachloro-2,2,4,4-tetrahydro-5-(trichloromethyl)-